Maybe you and I don't, but there are some frequent posters here who are quite wound up over it.Nobody cares about the voting of posts anyways, so it's a moot point.
haha i did up-vote myself... just to prove a point.You can do only once per post, no big harm can be done; be your guest. Just ignore the number. It's a relict from times where unneeded down voting could be compensated. Just ignore.
Did you up-voted yourself