And I absolutely disagree that the disabled can't be given the association that a race would be for these examples; if you are born deaf, you are going to be a member of the deaf community... or you're going to be miserable. And the deaf community has outlets, games, entire school systems, built around them. If you are going to genuinely tell me that deaf people have no culture because it's an issue of some manner of impairment instead of because of the fact they, I don't know, ethnically all come from Insert Location Here
, I think that's complete malarkey. Their community is strong, their community has a rich history, and within their community they're absolutely normal people.