YouTube is neither good nor bad, it all depends on what you use it for. I mostly use YouTube for learning programming and also to get tips and tricks on some of the mobile games I'm actively playing, so the suggestions I usually get when I open YouTube always relates to those two activeness I mentioned (programming and gaming) and those suggestions are a very big help most of the times because I might come across a video I didn't even know existed and I end up learning something new
RE: How I Tamed YouTube To Stop Procrastinating