Dude it doesn't bother me one way or another...and I can promise you I've seen some I thought were rubs, at first, too.
I'm fully aware that rubs are being made, now. I saw at least a dozen in a 30' circle, Tuesday.
Answer the question Buckmaster did. It was a good one....and one I was wondering about, too. I'd let it go, though.

I saw one that loked JUST like this a couple years ago. I thought it was a rub, too........then I got to wondering how the buck could've done that with three strands of barbed wire on the fence post.[8D]