Because it's not a proper webcomic post without an example:

"I'd much rather have 'geek' as my gender. It tells you so much more about me." -Genderfork
Looking for fans is about looking for people who appear to have given a great deal of thought to how they dress and what they’re doing, and who have, in the process of applying all this thought to their daily lives, concluded that they would like to behave differently from the norm.
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Reading Patterson’s recent biography of Robert A Heinlein, Learning Curve, I was struck by how much fringey stuff old RAH dabbled in: telepathy, radical politics, polyamory (or ‘‘companionate marriage,’’ as it was called in his day), nudism, and all manner of funny business, all of which is reflected in his books, and all of which can be summed up with ‘‘all laws are local.’’
“Girls can wear jeans and cut their hair short and wear shirts and boots because it’s okay to be a boy; for girls it’s like promotion. But for a boy to look like a girl is degrading, according to you, because secretly you believe that BEING A GIRL IS DEGRADING.“
"Trying to describe the gender spectrum using only 'man' & 'woman' is like trying to describe the color wheel using only 'red' & 'blue'"
gender' is a concept that doesn't exist in my mental world - it's a translation layer wedged between my brain and the outside world