PieFed has a way to keep votes (more) private. From 11 months ago:
There was a widely held belief that votes should be private yet it was repeatedly pointed out that a quick visit to an Mbin instance was enough to see all the upvotes and that Lemmy admins already have a quick and easy UI for upvotes and downvotes (with predictable results).
Vote privacy may be especially important because it’s really easy for a malicious server to get set up, unbeknownst to anybody else, and just pull vote data that other servers freely provide.
Well this is a Hotznplotzn post, which means OP doesn’t give a damn about data collection by American companies… or anything, really, besides reminding us China Bad