This could easily be interpreted as apathy or lack of commitment/engagement. Fine lines.
But yeah, as a guy, saying you're ok with two guys being gay together isn't socially acceptable. One time I told a guy he wasn't bad looking (trying to help his confidence) and he stopped talking to me for a few weeks. Apparently he thought I was making a pass at him, though I've shown no other gay tendencies besides long conversations with a gay guy at work.