Attempting to discuss this with xBiffx is like trying to do a jigsaw puzzle but only being allowed to look at the backs of the pieces and expecting to find out what the resulting picture will be on the other side.
I think the jist of his opinion is that people shouldn't volunteer information which may give a clue to their sexual orientation (for example) because this is bad (not sure why) and
maybe they would be attention whores by doing so (wording along the lines of "attention whore" appears quite often in his posts in this thread, yet we've only got a "perhaps" when asking for confirmation on particular points). Furthermore, the only reason why anyone would be wearing gay pride gear is because they're gay and they're simply advertising their sexuality (attention whores... probably... I would have thought "certainly" given his opinion for the reason for the movement but I suspect another backpedal would ensue).
When asked about whether he has volunteered information (which may give a clue as to his sexual orientation) amongst friends, the question was ignored. When he asked whether I wear tokens that give a clue to my sexuality, I gave the example of my wedding ring which would be a pretty obvious indicator up until the UK legalised gay marriage. I also pointed out that I'll by going to a gay pride march with my wife this summer and we'll be wearing items that he apparently believes is a blatant indicator of gayness, but this wasn't responded to either. Perhaps this somehow makes me an attention whore in his opinion, but I would need help joining the logical dots together on that one.
Beyond that he's engaged in a series of backpedals / deflections rather than actually elaborating on his general opinion on this topic, then complaining about others trying to guess what the rest of his opinion is.
I think xBiffx is labouring under a few misconceptions, one being his apparent complete ignorance of the reasons why a group of people might want to do a pride march such as gay pride, and secondly his apparent opinion of what a normal level of personal privacy maintenance actually is for most people (though again I could be wrong here, he might not think he's normal on this particular point, but leaving others to guess that he thinks he is).
I don't usually reference my girlfriend just willy nilly. If someone asks about her, I may or may not talk about her depending on the topic.
So a casual conversation is in progress, then someone asks a question about his girlfriend and he terminates the conversation. I've had such a conversation once myself where a slightly odd customer asked me as part of a general "who are you, did you study to do this job, and how did you come to live around here" type conversation, whether my wife was "my first love" (which made me think "dude! stop right there!"), but would this really be a typical concern in your average conversation?