It is redundant for the common pronouns. But once you step outside that space, people may need to see both. E.g., "they/them" is in the process of becoming esta

It is redundant for the common pronouns. But once you step outside that space, people may need to see both. E.g., "they/them" is in the process of becoming established, so some will need the pair. And if somebody is using one of the neopronouns, most people are going to need to see both: https://en.wikipedia.org/wiki/Neopronoun https://en.wikipedia.org/wiki/Neopronoun