What, a joke? You actually downvoted the post because you a) don't get the joke and b) don't agree with it politically? And this carries real material damage to me?
You feel that you are justified in doing physical, material damage to my wallet just because you do not agree with me, because you "think" that I am doing "a very bad thing"? I don't recall internationalle being illegal, and I don't recall that making jokes is illegal. It is your opinion, and you exercise your power to materially hurt me because I have a different taste in humor?
Now imagine a person with opinions that you feel the worst possible - and that person buys a few hundred thousand dollars worth of steem and goes after you and your posts. Just because he can, he doesn't like your sense of humor, your political opinions or just doesn't like you personally. Just imagine that.
You just perfectly illustrated what is wrong with the downvotes system as it is now.