I have been ranting in this blog for quite many years about the sometimes really aggravating use of the pronoun "they" to refer to one single person, which has been very actively (and often aggressively) pushed by the modern far left for the past 15+ years. One particular pet peeve of mine is how the math popularizer famous youtuber Matt Parker started actively (and excessively) using it for that purpose some time in 2019, and has never really stopped (good example blog post here .) Because I like to be fair and academic, I would like to present here three different sides to this question, three different positions and arguments about it. 1. The modern leftist position It's very disrespectful and hurtful to just assume someone's gender, and with some people it could outright trigger a mental episode. Assuming that someone is a "he" or a "she" can be the wrong assumption to make and thus can be very hurtful, even psychologically violent, and thus on...