I've been thinking about this.
I think as a lesbian, when I see people asking the question:
"What card means someone is gay?" I get offended.
The reason I get offended is because my initial thought is that the person trying to ascertain this has less than pure intentions. Of course I realize I shouldn't assume that.
I keep thinking "why?", why would anyone need to know that?
If you are dating someone, and you think that the only reason it wouldn't work out is if the other person is gay, then you obviously don't know much about relationships. If a person is gay, and you're not the same gender, any spread to determine whether or not the relationship will work, should indicate that it won't. I don't see the benefit of using such a limiting question.
But I continue to try to find a reason to determine whether or not someone is gay -
Perhaps you have a teenage child who appears withdrawn or depressed, and you don't know why. (Of course you've exhausted all other ways of finding out what's wrong with the child, including the obvious, communication).
Perhaps...I can see value in a spread to indicate whether or not the child is experiencing sexual identity issues.
But... what if you do a spread about your child and the magical indicators (as prescribed by forum members) comes up, declaring your child to be queer.
Then what? What if that isn't their issue at all, but you go down that path with them and only make matters worse?
See. I can't come up with any good reason for someone to try to determine this with cards. It's something that the majority of people simply do not understand, and therefore shouldn't be using cards to figure out if someone is or isn't, this thing they don't understand.
Of course, this is just my personal opinion. Being a gay person myself, I can't exactly see this issue without bias. However on the other hand, I do think the opinions of gay people on this issue should be taken into consideration. (even though I realize they will vary).