Well, you assume semi-wrongly there.

Israel bombs every place the Hamas is using. The problem is, the Hamas is regularly using civilian buildings. And Israel doesn’t care at best or at worst is using this to have a real excuse for it.

Yeah, but those subs contain the majority of redditor interaction. ~70k people on a sub is enough to put it into the top 5%. The top 1% subs are very likely responsible for 50%+ of all reddit posts. Losing just a handful of them is a big deal.