It’s a trend on dA; and apparently here as well. Random faves/likes in order to attract attention to your own stuff.
Fun part: mostly done by folks who are crazy popular already.
To me, this superficial hunt for clickthroughs or something cheapens the very idea of human relationships. And yes, I may be the odd dinosaur out, but to me blogging (and even social network sites) is all about relationships. Not ‘exposure’ or other [SEHT] that is as phony as an average CV.