I read many comments on how PeerTube isn’t sustainable as a YouTube alternative and, while it’s certainly true right now, are we sure it will be the same in the near future?
The platform is growing and the new mobile app is making great progress; I can certainly see some people investing in a major instance some day, accelerating the platform adoption.
Does peertube actually host anything or is it just a frontend? All I’ve ever seen people linking to it are videos from YouTube, using PeerTube (and a couple other YT alternatives) as the interface.
PeerTube is a video sharing platform, just like YouTube or Vimeo. Videos you watch on PeerTube is hosted on a PeerTube instance.
It’s a backend.