A 2003 SF movie, Primer, explores what might happen in a quantum universe if a time travel machine were invented.
This is exactly what happens when you don’t write the novel when you first think of it. I’ve been pondering this since 2001! And, to add insult to injury, it looks like exactly the kind of thing I would like.
At least they didn’t get the Others or the solipism. I would be extremely creeped out at that point…