If you are offended at the sight of two men kissing (even more so when I'd bet a lot of money that you, and many others, aren't at the sight of two women) then you are homophobic. The very definition of homophobia is a fear, aversion and disliking to homosexual activity and those who partake in it. If you are put off when you see it, deep within you is ingrained homophobia. However, it's whether you choose to express this distaste and/or become insulting that determines whether it's a problem or not. Keep it to yourself and you've offended no one, draw attention to it, make comments, make people feel uncomfortable, and then it's an issue.
You are of course well within your rights to hold any opinion on this matter you wish, that is the beauty of freedom of thought, and within reason the beauty of freedom of speech, but being homophobic for homophobic's sake is unjustifiable and is rightly condemned. Thankfully the people who are homophobic, in much the same way some are racist, sexist etc etc, are not long dying off, and so the practice of indoctrinating their children with such intolerance will soon be over and generationally we'll become the more tolerant and open minded society we have already started to be.
I too don't see what relevance this has to CBB though
