Racist and discriminatory? Yes. As someone who is about the same height as Amaechi (6'9", 6'10") but white I too have had similar issues at gay bars. Either I've been denied entry as they thought I might be a straight troublemaker (only ever solved when one of my more "acceptably gay" mates would come out and rescue me), or given conspiratorial whispers by the door staff who'd ask me things like "Mate, you know this is a bar full of queers right?".
John Amaechi (a man whose autobiography
If you feel benevolent and particularly generous, this writer always appreciates things bought for him from his wishlist