I really didn't think that there was an argument against BA being gay. As far as anyone else and simple percentage numbers being applied, such as "10 percent of all people are gay, therefore 10 percent of pro's are gay". it not really that applicable. The reason this application would not work is simply because skateboarding has not been the most inclusive of sports, shit most people cannot skate longer than five years and the mere style of skateboarding/skaters does not seem attractive to most gay people, in my opinion. If we were talking about Frisbee golf, well then maybe the percentage would apply!
Would a big name pro being gay matter? Hell yes it would! I cannot imagine no fallout from something like that.