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It could be an option... obviously some people would start wondering "why does this rank higher with less votes?"...

Well then they would know that it's money but they don't have to see how much money and if they can't see it, they can't feel jealous about it.

and if they can't see it, they can't feel jealous about it.

Yep... however I wouldn't bet against the platform managers actually wanting to display amounts in order to increase platform attractiveness and success story narratives...