Riding without brakes is one thing, I could care less what you do with your bike (just don't run into me)
But saying there is absolutely no need for brakes on a fixed gear is extremely stupid.
"Hey, there's a red light ahead of me. I could keep riding, and apply my front brake at the last second and easily stop in time.... Ooooor, I could initiate a SKID from twenty feet away to shave off some speed. And if things get hairy I can pull some erratic maneuver into lanes that cars are travelling in. Sounds good to me."
*Goes and watches MASH for the 200th time*