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      While much of the public debate focuses on productivity gains, automation, and innovation, organizations should also be paying attention to a more fundamental question: what happens when we begin to trust AI systems faster than we learn to understand them?


      For years, executives have been told to treat generative AI as a tireless junior colleague: always available, infinitely patient, increasingly useful, and destined to become more reliable as we learn how to work with it. The metaphor is comforting. It is also dangerously wrong.

      There is a myth forming around generative AI assistants: the more we use them, the better they become; the more instructions we provide, the more reliable they get; the more embedded they are in our work, the more we can trust them.

      It is a seductive idea. It is also dangerously incomplete.

      With a human assistant, experience usually compounds trust. Over time, you learn how they think, where they are strong, where they need guidance, what they misunderstand, and how they react under pressure. You develop a shared context. They learn your standards. You learn their judgment. Reliability becomes less of an assumption and more of an observed pattern.

      With a generative AI assistant, the opposite may quietly happen.

      The first impression is often excellent. The output is fluent. The structure is elegant. The tone is confident. The result looks complete, balanced, and ready to use. That is precisely the problem. Generative AI is very good at producing the appearance of competence. But appearance is not evidence. Fluency is not accuracy. Confidence is not judgment.

      And high-quality output today is not proof of high-quality output tomorrow.


      Author


      Alexander Zagnetko

      KPMG Global AI Initiative Coordinator


      The Assistant That Changes While You Sleep

      A human assistant may grow, learn, and adapt, but they do not usually wake up on Monday with a new architecture, new hidden instructions, altered priorities, different guardrails, and a revised interpretation of your previous working style.

      Generative AI tools do.

      The fashionable corporate narrative says that AI assistants will evolve like colleagues. Train them, prompt them, refine them, embed them into workflows, and they will become dependable digital coworkers. The problem is that this analogy collapses under scrutiny.

      Models are updated. System prompts are changed. Layers are adjusted. Retrieval mechanisms are modified. New datasets are processed, compressed, tokenized, filtered, and weighted in ways the user cannot meaningfully inspect. Enterprise configurations change. Vendors introduce new releases. Developers optimize for benchmarks, latency, safety, engagement, cost, or regulatory concerns - often without exposing the practical consequences to end users.

      The user sees the same chat window. But the instance behind it may no longer be the same instrument.

      That creates a serious governance problem. Organizations are beginning to build prompt libraries, AI-enabled workflows, internal agents, “vibe-coded” ecosystems, and semi-automated processes around today’s model behaviour. But if the model changes tomorrow, the carefully tuned workflow may become unstable, less accurate, overly cautious, insufficiently grounded, or simply wrong in new and unexpected ways.

      In traditional software, regression testing is a discipline. In generative AI, version change can feel like discovering that your trusted assistant has returned from the weekend with a new personality, different instincts and no obligation to explain what happened.

      This is one of the least discussed risks of enterprise AI adoption. A business may validate a use case in April, scale it in June, and discover in September that the same prompts now produce different assumptions, definitions, recommendations, or risk classifications. Not because the business changed. Not because the user changed. But because the model did.

      The black box did not break. It evolved.



      The Black Box That Smiles Back

      The problem is not only that generative AI is probabilistic. Nor is it only that these systems resemble, in some respects, the famous Chinese Room thought experiment: producing convincing language without necessarily possessing understanding in the human sense.

      The deeper issue is operational. We are building professional dependency on systems whose internal reasoning cannot be reliably examined, whose behaviour may shift over time, and whose outputs can be persuasive even when they are false.

      This matters because most knowledge work does not fail dramatically. It fails quietly.

      •  A wrong assumption in a market analysis
      • A missing legal nuance in a policy summary
      • A fabricated source in a research note
      • A subtly biased risk assessment
      • A confident but outdated explanation of regulation
      • A “reasonable” recommendation based on incomplete context

      These failures may not look like failures. They may look like well-written work.

      That is why generative AI is not merely a productivity tool. It is a credibility machine. It produces content with the tone, structure, and polish of authority — whether or not authority is deserved.


      Generative AI's reliability challenges are only part of the story. An equally important question is what happens when these systems become increasingly personalized, persuasive and embedded in the way people form opinions, make decisions and process information. In the second part of this series, we explore how AI may be reshaping not only the quality of answers we receive, but also the way we think, reason and understand reality itself.





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      Alexander Zagnetko

      KPMG Global AI Initiative Coordinator

      KPMG in Slovakia

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      NEW JERSEY - MARCH 20: Empty Sky Memorial with sunshine on March 20, 2014 in New Jersey. It is the official New Jersey September 11 memorial to the victims of the September 11 attacks.


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