Yes the framing is intentionally naïve, as if the minority-ness of the opinion is why he was rejected. If he was a vegan I doubt anyone would give a shit despite that belief being way more unpopular than opposition to gay marriage. The key is not that his belief was unpopular, it's that he held a belief widely regarded as bigoted and unjust. He then went on to enact those beliefs by proxy, through financial contributions.