mm, yeah. I like the idea of the small web not as a size category but as a mindset. people publishing for the sake of sharing rather than optimizing for attention or monetization.
The fediverse is also generally experienced as a small web, where it comes to mindset. Though that is not always to the liking or preference of those expecting to find alternatives to big church social media platforms.
If it takes off in any amount, then LLMs will just subscribe and pull said data from sites at a reasonable pace (or not, it's free so make many accounts).