Should be . . . to identify his own pronouns.
Absolute mindless, stupid jerks . . .
Each person has the right to identify their own pronouns
"Person" is a singular noun, by definition, and by the fact that it has a singular verb ("has"). It is then followed by the pronoun "their," which is third person plural.
In English grammar, a pronoun must match the case, gender, and person of its antecedent.
Thank you!
I am a writer, and I absolutely refuse to debase Standard English to appease such communists.