The guy has 7 "of the night" awards. 3 of them were victories. 2 of those 7 awards were also "Fight of the Year" winners.
People call him boring, yet he has a higher percentage of exciting fights than most other fighters. So what if some of his more exciting matches come from showing a lot of heart while taking a beating?
I think people have been criticizing him so much lately because he's had a couple of poor showings and they didn't meet the high expectations people have of him.