And apparently, also when you think that ‘They’ is a perfectly serviceable gender-neutral singular pronoun, but are willing to use other pronouns if asked to.
EDIT: Other removable offenses on Blahaj now include questioning mod/admin decisions and quoting the modlog as a reason why you’re leaving.
We define language by its usage, and there is definitely a significant subset of native English speakers who regard the usage of singular they as wrong.
I mean, they’re WRONG, but I can only say so from the perspective of a fellow speaker according to my own thoughts and preferences; language doesn’t have an objective arbiter and I acknowledge that it is both widespread and not some inherently absurd notion.