It's really a vote about reparations. If you go back in history far enough, which country didn't wrong another internal and/or external group at some point either as their country was being formed or afterwards?
The US sees the UN as anti-American and anti-Israel. The other 52 countries that abstained just doesn't want to pissed off their woke voters, but if abstaining wasn't an option, it's very obvious which way they would vote.