And now people such as myself have access to open weight models with that information.
I wasn't lucky enough to have parents put me through school, and LLMs have absolutely helped me further educate myself and play "catch up" on opportunities others have been given. So, the net effect has been (and is continuing to be) a democratization of information.
You could have gained that stuff prior to LLMs. The leg up you're describing is free information on the internet, not AI. AI just makes it a little easier to find, while also crushing the original sources in the process. (Even if it had a broken culture, is stack overflow even going to exist in a year? Where are they going to train on going forward?)