Disagree, it can be learning as long as you build out your mental model while reading. Having educational reading material for the exact thing you're working on is amazing at least for those with interest-driven brains.

Science YouTube is no comparison at all: while one can choose what to watcha, it's a limited menu that's produced for a mass audience.

I agree though that reading LLM-produced blog posts (which many of the recent top submissions here seem to be) is boring.