Peertube is like an alternative site to youtube. It’s a different place to post your video (you can’t use it to watch YouTube videos to my knowledge)
This is mostly right, I think I’d only clarify that it’s not a singular site, much like Lemmy isn’t, as instead it’s more site software to spin up a YouTube-like video hosting site. Also you’re right that you can’t use it to watch videos as you might via Piped/Invidious, unless the creator has also posted their video to a PeerTube site/instance.
Last little point that’s not super important to know for regular folks is that it’s not using bittorrent for helping distribute video loads, it’s WebRTC. Still peer to peer, just a different approach to it.
This is mostly right, I think I’d only clarify that it’s not a singular site, much like Lemmy isn’t, as instead it’s more site software to spin up a YouTube-like video hosting site. Also you’re right that you can’t use it to watch videos as you might via Piped/Invidious, unless the creator has also posted their video to a PeerTube site/instance.
Last little point that’s not super important to know for regular folks is that it’s not using bittorrent for helping distribute video loads, it’s WebRTC. Still peer to peer, just a different approach to it.