We also used to have a singular version of the pronoun “you”, which was thou, but somehow people are able to cope with you being both singular and plural. But telling them that they has been both singular and plural for over 700 years is way too much for them to cope with.
Although most people seem to no longer use you as plural. And use you guys, you all, etc because of ambiguity. Similar case with probably happen with they/them and people will learn to communicate singular and plural, no need stop the language progression.
We also used to have a singular version of the pronoun “you”, which was thou, but somehow people are able to cope with you being both singular and plural. But telling them that they has been both singular and plural for over 700 years is way too much for them to cope with.
And in New York, youse is both singular and plural.
Although most people seem to no longer use you as plural. And use you guys, you all, etc because of ambiguity. Similar case with probably happen with they/them and people will learn to communicate singular and plural, no need stop the language progression.