Earlier quoted context omitted.
"forced" It is still a big Internet out there. All it takes is an up and coming platform to steer people elsewhere. YT is big, and yeah they will carry on via inertia, but for things like news, organizing, commentary? Yeah, people will seek it elsewhere.
You have never dealt with bandwidth costs for video, have you.
Others will figure this out. The value is high enough for users to fund it. I would for sure. In fact, funding that via small money from people is likely the best model. AD driven stuff has too many conflicts of interest.