Earlier quoted context omitted.
For a great many, youtube is surprisingly awesome. My normal approach to home DIY now is to watch as many youtube videos of the process I want to try as possible, then make a determination if it is something I still want professional help with or can try to do myself.
YouTube is awesome for DIY, I moved to older house two years ago and with youtube helps I've added crown moldings, repainted all rooms, replaced baseboard, built patio, deck - lots of fun, I think without youtube I wouldn't done any of it, zero experience before. Funny, my dad did a lot of renovations, and a lot of times I'd get more details/better tips on youtube than asking him :) But youtube is great for common DI…
I wouldn't want my home improvement projects to look half-assed just because I wasn't experienced or knew the "best practices" for the given home improvement task.