I checked instances with most users here: https://fedidb.org/network
And I concluded that TILvids is the most decent instance if you consider userbase and quality videos/channels. At least for english-speaking folks. Am I right?
Do you know other good active instances?
A free software to take back control of your videos
Peertube is an open, federated alternative to Youtube without advertising or tracking. On this site, you can find a good Peertube instance, with good rules, good moderation and most importantly a friendly community.