Honestly, I just want instances that focus on niche interests. An instance for sports with communities of different leagues, instances for pc gaming with communities for amd/intel/Nvidia, etc
That way, main instances with more generic context like lemmy.ml or beehaw dont get clogged
I've never used peertube, but I heard it's getting pretty good.
However, after considering hosting a peertube instance, I can see what a large actor such as Google can bring to the table for resource intensive services, such as video hosting
Would ads go against the fediverse principles? There could also be a federated ad network. Where you can choose what kinds of ads you want on your instance and thus content could be monetized.