I listened to quite a bit of post fight analysis of that fight, especially on Monday, and that was mentioned maybe like 5 minutes in total. Its a non issue.
It doesnt bother me in fact i kind of think he deserved it or some kind of taunting. After all the shit talking, the belt incident, the media gushing over physicality and the ensuing wack ass performane... dude got clowned. The humping thing was kind of cringe - would of been funny when i was 13 - but the message that was sent was heard loud and queer