The "host" is the user in this case. Every user that watches the video, shares the video. Given that discovery doesn't appear to be a part of this platform, any

The "host" is the user in this case. Every user that watches the video, shares the video. Given that discovery doesn't appear to be a part of this platform, any links would undoubtedly be shared "peer-to-peer" as well, so if you aren't looking at illegal things and don't have friends sending you illegal things to watch, it's perfectly safe.