That's the period where teachers tell millions of students that "can I" is wrong, you should say "may I".

The teachers lost that battle, like they'll lose all the similar battles to come, because they were trying to enforce communicating like old people.

In this case, history.

As my parent post points out, it is certainly not history in the legal system and other fields where precise and Technical meanings matter.

That only applies in cases of ambiguity at which point it’s often best to avoid both the old and new definitions.

I generally agree with that sentiment. And something like a patent the definition is well understood.

The sentiment that I disagree with is defending an incorrect or at least ambiguous word choice when there is a clear alternative. The strikes me as simple stubbornness.