Ok, I think I have to describe this.
A Token character is often disliked because they are shoehorned in with either a very weak link to the series, ill fitting, or with characteristics that point attention to their tokenism.
Tokenism IS NOT created by social norms because you can see token men, token children, token adults, what have you in everything.
Remember those annoying children who would be in episodes of your favorite shows growing up? Yeah no one liked them.
The reason why no one wants a token character is because they are such a token effort and are usually disruptive to the story and annoying. They are worse then having no character.
If a character is well written, well characterized, blends perfectly in with the plot and story... they aren't a token character. At least that is just how I define it.
Being homosexual in a plot isn't tokenism. Having a character's role be summed up as "The homosexual one" is a token. Having a character have no sexual characteristics at all only to jump in last second and go "Ohh by the way I am gay" is tokenism because it is just throwing it, to draw attention to it.
April O'Neal isn't the token woman in Ninja Turtles... The Token Female Ninja Turtle who disrupts the character dynamics, has no real place on the team, and can't seem to really socialize or interact with them? She is precisely what people do not want.
I doubt women breathed a sigh of relief that Ninja Turtles had a character no one liked because she happened to be a woman.
People... ok... fine I'll be fair...
"I" don't want token effort. It is insulting to me, It is insulting to my intelligence, my morals, and is just plain bad story telling. I want characters to fit.
this ESPECIALLY goes for LBGT characters because HOLY GOODNESS am I tired of "Get it? HES GAY!!! ha ha ha ha", it is almost a pay off never to see another homosexual character in a videogame again if those characters could disappear off the face of the earth.
"I" think tokenism is far worse then exclusion.