Yeah I'm not sure when people decided that a button anybody is free to click for any reason whatsoever is somehow indicative of "support" or in some way boosts their overall reputation in the community.
Since when do you have to "deserve" a thanks to get one? You can thank any post for any reason,
[Only registered and activated users can see links. Click Here To Register...] I just thanked his post for absolutely nothing, he didn't "deserve" anything. Is his reputation in the community now greater because of that? Also, aren't you one of those guys in the group of a few idiots in the spam section who run around thanking anything and everything? Regardless of post content or what it has to do with?