Remember, a large portion of silent films are lost, not due to decay or fires, but because they were intentionally junked by their studios.
Among the worst was Paramount, aka CBS/Paramount.
People come and go. Corporate culture is forever.
Honestly, any politician who ran on and passed a Media Preservation Act that made the government keep, store, and be allowed to stream any movie/TV that isn't streamed elsewhere would never lose an election.
Reminds of how a lot of original BBC content is either lost or only survived due fan tapes, because they would just record over old content to save money.
Terry Jones and another Python snuck into BBC Studios & STOLE all the Monty Python tapes. We’d have never seen them in the states if they hadn’t, cuz they were about to junk them all.