It does become very fragmented. A post on my single-user server is going to be low down the rankings compared to the same post on a subreddit with the weight of the reddit domain name behind it. I’m also not entirely sure if/how content here gets indexed, especially when it appears under different federated domains. Content discovery is very different in a distributed world.
Use camelcamelcamel to check price history, really shows how “good” the sales are!