> "They" is plural.
It's not though. We use the singular "they" in conversation all the time. You're probably just so used to it that you don't notice.
"The Uber driver is still ten minutes away, maybe they got stuck in traffic."
"Somebody left their book on the bus."
Nobody would think there are multiple people driving the car or that the book belongs to several different people.
> "They" is plural.
It's not though. We use the singular "they" in conversation all the time. You're probably just so used to it that you don't notice.
"The Uber driver is still ten minutes away, maybe they got stuck in traffic."
"Somebody left their book on the bus."
Nobody would think there are multiple people driving the car or that the book belongs to several different people.