I'm amazed how rude Goyer has been (but I was amazed how rude Remender became over his blunder). In both cases I assume they are easily "aggravated" by it, because (deep down) they feel insecure about their choice/position. Quick aggression nearly always is used to hide something (often weakness). So take comfort in the knowledge that, actually, he knows he's fighting a losing battle and is wrong, but his ego won't let him back-track or try to correct his mistake.
I'll be watching the show BUT the second Constantine has a female romance, I'm out (the "justification" for not even considering the bisexual angle was "we are going to show his sex life, on any level, period" -- and unless they did that MASSIVELY ignorant thing of associating sexuality (specifically LGBT sexuality) purely with hardcore sex... I am choosing to take them at their word, and assume none of his sex life (straight or bi) will be mentioned).
N.B. and yes I'm aware I'm setting myself up for a fall