> ~tech~ companies have largely forgotten that part of their job is to teach.

Honestly, you could stop right there. Everyone (everyone°) tries to kick the can of skills-acquisition onto someone else.

Ultimately, in a hyper-individualistic society, it lands on the "workers" entirely to educate themselves - as amply demonstrated by the comments in this thread. Unfortunately, that's not how humans learn best (some people, sure: a population massively over-represented on this board).

That this has become the general practice or expectation explains the gradual erosion of the "average" citizen's knowledge, intellect, and discernment. (More, perhaps, than social media - which is often blamed, and has played a role, but in my opinion has largely taken advantage of cultural incapacities which preceded it.)

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°This includes [US] schools, by the way.