[toasterlovin]

The big difference, though, is that most people have no use for this usage of “they” because most people don’t deal with non-binary people on a regular basis, if ever.

[333c]

Do you have evidence to back up that claim?

[toasterlovin]

The prevalence of gender dysphoria seems to be extremely low:

https://en.wikipedia.org/wiki/Gender_dysphoria#Epidemiology

This usage of 'they' would then be further restricted to the subset of people with gender dysphoria who identify as neither male nor female.