Shootin says you "might be a bigot" to which K9 replies, "So an atheist cannot be against same sex unions? He/she cannot have an opinion if it disagrees with your vision of intolerance? People cannot be against something without someone calling them names like “bigot”? To paraphrase ... It is OK to be a mouth breathing moron that calls names."
Indignant: feeling or showing anger or annoyance at what is perceived as unfair treatment.
K9's reply was, literally, a textbook example of indignant.
Rotflmao! I think you project too much.