It just strikes me as strange; I don't think they sent us a cease and desist order or anything. The series is homoerotic, no doubt, but it's far from pornographic, which is what I assume the restriction is about; it's not like the game is Hot Pinball or something.
Besides, I only want the original; it's the only one I'm missing. The series didn't start getting overtly homoerotic until Ai Cho Aniki.