Undoubtedly a point of controversy.

Examples: - In some societies, a great many people play games, if only mobile/phone/web games. Yet only a fraction of them would "identify as gamers". - Birth genders vs. "identification".

Or, myself: I identify as an LWer but only made an account today, and certainly haven't yet finished all of the sequences. I could feel like a bit of a poser, or worry others would call me "fake", but that's not actually relevant to my own self-identification.