It’s ok for a character from — say, for example — the Mirror Universe because people from the Mirror Universe are supposed to be not as enlightened as the other humans. They are usually bad people who are expected to act badly, such as being sexist.So it’s ok for lines to be sexist, racist, homophobia because it’s on tv. Got it.
I mean, not all TV and movie stories are full of perfect characters doing nice things. Some stories have characters who aren’t so nice.