The recently added video <x id="START_LINK"/><x id="INTERPOLATION"/><x id="CLOSE_LINK"/> has been <x id="START_LINK_1"/>automatically blocked<x id="CLOSE_LINK"/>
the sharing system used for this video implies that some technical information about your system (such as a public IP address) can be sent to other peers.
The threats to privacy with YouTube are different from PeerTube's. In YouTube's case, the platform gathers a huge amount of your personal information (not only your IP) to analyze them and track you. Moreover, YouTube is owned by Google/Alphabet, a company that tracks you across many websites (via AdSense or Google Analytics).