Eh, there's still value in discussing things, in my opinion. Even if it just comes from having an improved understanding on the varying perspectives. Even then, that a mind isn't changed immediately doesn't mean it eventually won't.
You could probably zip back to earlier posts of mine on this forum which would include me being confused towards a woman saying that she'd only be able to play Alpha Protocol if she could play as a woman, complete with me justifying my position based on my experience of "I have no problems playing a Lara Croft or something similar" as though her experiences and preferences should be analogous to mine.
Yeah, the value in that is probably either enjoying reading your own stuff or just practicing expressing the idea. Both have some merits, especially the latter as that helps in later battles.
Being only able to play a game if you can play as your gender is something a bit silly I find, ultimately your PC's avatar isn't experiencing anything, you are - your choices and the reactions that drive them (well for an honest rather than alternative exploring playthrough anyway). I guess it's a matter of letting oneself go for a little while. Fairly rare outrage over a game, mainly seen it for the Witcher games, myself.