I actually have a sort of nice idea about this: make your downvotes' worth be inversely proportional to how many downvotes you give.
A person who gives 100 downvotes per month will have his downvotes count 1/20th as those of a person who downvotes 5 times per month. An incenctive to be really judicious in handing out downvotes and not simply using them to drown out minority opinions.
Only issue here is that you are penalized for activity even if it’s in removing objective garbage. But I like the idea quite a bit. That you take a hit for being a negative ass that downvotes questions you think are beneath you.
A person who gives 100 downvotes per month will have his downvotes count 1/20th as those of a person who downvotes 5 times per month. An incenctive to be really judicious in handing out downvotes and not simply using them to drown out minority opinions.