[ahk]

It can also nicely hide ageism, racism, sexism, conservatism, liberalism etc. Basically any reason to not like a person.

[ansgri]

Whatever the people think of these -isms being bad, I am convinced that a person has a sort of right to not having to deal with people he doesn't like.

[jamesaguilar]

Not in the us, not as an employee of a corporation. If you don't like someone because they are in a protected class, you just have to deal with it.