Have you been paying attention to Reddit content for the past I don’t even know how many years? It’s all TikTok and twitter reposts, and before that it was 9gag and 4chan reposts. I don’t think there’s anything wrong with what op is asking if the past is anything to go off of
I mean the beauty of the fediverse is you can have your cake and eat it too in this scenario. If someone wants to spin up an instance that’s just reposts that duplicate communities elsewhere, you could selectively subscribe to both or only the one without reposts.