There is no "they". PeerTube is a software package that allows you to host your own YouTube-like site. However, it also has ActivePub (Mastodon) federation allo

There is no "they". PeerTube is a software package that allows you to host your own YouTube-like site. However, it also has ActivePub (Mastodon) federation allowing you to also follow people from other instances (if allowed by your instance). It is up to to the website's host to deal with DMCA and other complaints.