My brain and wishful thinking. Then again Twitter can die in a fire.

If this is used for account verification and paid “verification” will be removed, then do not see any issue here.

So you say something like twitter is free to host child porn and they can just say “We did not post it, we just make it available”?

I am actually surprised Internet Archive has not had copyright problems in the past because I have ocasionally downloaded videos that are 1:1 contents from now dead/unseeded torrents.