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AI & Law · · 2 min read

The most common fallacy in LegalTech: knowing how to use AI is not the same as knowing how to think

The most frequently repeated phrase in LegalTech sounds clever. It masks a confusion between technical efficiency and professional judgment that needs to be debunked.

#ai-law #legaltech #professional-judgment

“AI isn’t going to replace lawyers, but the lawyer who knows how to use AI is going to replace the lawyer who doesn’t.”

That phrase circulates relentlessly on social media, in webinars, and at LegalTech conferences. It has a certain rhythm to it. It’s couched in highly prescriptive language, as if it were a prophecy: inevitable, objective, a foregone conclusion.

But it’s a fallacy cloaked in technical self-confidence.

The First Problem: Knowing How to Use Is Not the Same as Knowing How to Think

The quote equates two distinct things: knowing how to use a tool and knowing how to think with it. They are not the same.

Technical mastery does not generate professional judgment. It amplifies it when it already exists; it reveals its limits when it is lacking. Equating the two presupposes that the value of legal practice boils down to operating software, that competence is interchangeable with adoption. It is not.

A lawyer who applies an AI tool without knowing what question to ask, what risk to assume, or what result to question is simply a lawyer who is faster at making mistakes.

The Second Problem: Law Is Not a Technical Function

Here, the confusion runs deeper. The statement reduces law to a technical function, replaceable by efficiency, when its value lies precisely in what efficiency cannot measure: judgment, discernment, and epistemic courage in the face of uncertainty.

These qualities have no KPIs. They aren’t captured on a productivity dashboard. And no tool, no matter how sophisticated, can generate them.

On that point, the microwave analogy pointed out by Colin Cornaby is spot on: technology transforms how we cook. It does not redefine what it means to cook well. The microwave does not replace the chef; it speeds up certain tasks and renders others obsolete. LegalTech does exactly the same thing.

The relevant question is: Who knows what to do when the tool falls short?

Frequently asked questions

Will AI replace lawyers?
No. The value of law lies in what efficiency cannot measure: judgment, discernment, and epistemic courage. That cannot be replaced by mastery of a tool.
What's wrong with the argument that lawyers who use AI will replace those who don't?
It conflates knowing how to apply the law with knowing how to think. They are not the same thing, and treating them as equivalent reduces the law to a technical function, when its value lies in professional judgment.

Adapted to the site style. Substance preserved.

Original LinkedIn post — Originally published on August 23, 2025 · read the original