Probably better to post in the github issue rather than replying here.
No need for a Lemmy server, kbin/mbin put it in their interface
https://kbin.earth/m/fediverse@lemmy.world/t/267356/Lemmy-devs-are-considering-making-all-votes-public-have-your/favourites
Saying the fediverse is good for privacy is just plain false, that’s the kind of information anyone can acquire, even an ad company. All they have to do is federate a silent instance and see all you do.