Sure, I'm glad you asked. Singular "they" has a long history of being used as a generic pronoun, before a bunch of white men decided in the 18th century to try

Sure, I'm glad you asked. Singular "they" has a long history of being used as a generic pronoun, before a bunch of white men decided in the 18th century to try and prescribe "he." Singular "they" is making a comeback, though, and in this case it would be appropriate.