I suppose it would depend on how good binary vector embedding actually is. 😂
Discussion
Its a compressed representation, so you lose some resolution to search through, and the space of topics that can be covered in a feed of kind1 notes over some length of time is huge. Less so with a themed community. So by going with something focused you and only improve in performance.
* you can only improve
Dropping a demo in case you'd want to play around with it