grozzle
it's not like the rightwing conspiracy nuts just showed up and Rumble got unfairly stuck with a bad reputation - Rumble is based in the same offices as Trump Media / Truth Social, conspiracy nuts are the whole intent from the start.
another alternative is Nebula.tv
Adblock, maybe a noticeable fraction on desktop, but Revanced users are within a rounding error of the total users, surely?
I feel like both populations are now dwarfed by the numbers watching YT on their TV's built-in apps, which throw demented amounts of ads at you.
it seems that this will save your subscriptions list and some other settings but not your list of blocked communities. at least, it hasn't worked like that for me. edit - disregard! they showed up after a while.
also, you need to save your avatar pic and re-upload.