>Hasn’t it always been the case that you could use “they” as a way to refer to a singular human without implying any gender? Yes, since Shakespearean times. F

>Hasn’t it always been the case that you could use “they” as a way to refer to a singular human without implying any gender? Yes, since Shakespearean times. For example: "I saw someone walking down the street the other day, they were carrying a guitar" -> a normal use of they as the 3rd person singular pronoun.