Earlier quoted context omitted.
The notion of media that "actually helps" you is itself just as constructed as YouTube. Interrogate where it comes from and what sort of cultural work it's doing. Does "help" mean that it makes you a better worker? Why doesn't YouTube help you, and is that a bad thing? Second, the good old days of "before" we were enterprising enough to invent big data etc. is retroactively constituted, and not apparent until its dem…
So, I think there's one (or two) easily carved exceptions to your "YouTube doesn't actually help you" statement. One, Veritasium. Content like this didn't (perhaps even couldn't) exist before YouTube. The science TV shows and even many books don't go into as much user-friendly depth as this does. You'd have to go to college and pay to get content even remotely close (and still, based on prior experience, not as good)…
There are also channels like the Sampson Boat Company that take a project that would've just ended up turning an old boat into scrap after a while into one of my favorite carpentry/woodworking things to watch, better even than old episodes of the Woodwright's shop or This Old House.