How f**king stupid do you have to be to not go to the microphone that the presenters just announced your win at? Considering your mental state in the moment and the mammoth size of that stage and theatre, and a microphone set up right where you walk up to the stage, I'd say it's a pretty easy mistake. There should have been a better effort at ushering them to the correct microphone. I'd probably be so amped up on adrenaline, endorphind, booze, caffeine and Xanax, I'd walk into a camera, trip on the steps, go to the wrong microphone, drop an f-bomb, forget my speech and walk off left instead of right.
Jesus, they're just PEOPLE. It happens.
"What can you expect from a bunch of seitan worshippers?" - Reginald Tresilian