The more the video catalogue is varied, the more people are interested, the more videos are uploaded... but hosting videos from all over the world is (very, very) expensive!
With PeerTube, <strong>you can choose the hoster of your videos according to his terms of services</strong>, his moderation policy, his federation choices... As you don't have a tech giant facing you, you might be able to talk with you hoster if you ever have a problem, a need, or something you want.