Here are 2 follow packs. Check the npubs listed there, maybe you find something, but I don't know if you can see them in any other app than Amethyst.
nostr:naddr1qqjrvctxx93nqery95unjctp956rjcn9943rwc...
The 'niche account' is probably a fairly good barometer of a protocol, and there's really not that many on nostr (not saying I have found them all, but still).