I don't understand how you would think that it's impossible for you to be downvoted at the same time as your opponent is upvoted.

I don't think that's what wedrifid said. Rather,

me getting downvoted I can understand

explicitly acknowledged that being downvoted isn't terribly surprising when being frustrated and fussing over what was said.

But xxd has been upvoted here. This makes no sense!

was expressing exasperation at the fact that you would be upvoted when you seem so clearly to be responding to something never said, regardless of whether his comments went up or down.

My downvote on parent was because it missed the point so thoroughly - I don't know about the one that preceded it.