Yeah, I don't particularly want to draw that conclusion either, but... Most of the time when a character of colour is underwritten I can sort of see why, you know? And I can't understand this one. Sure, individual fans preferring another pairing, or thinking Gus works best as the straight BFF (who is then ignored for the romantic storyline or indeed the action plot). But it's such a massive blind spot that I can't help but wonder.