As a native english speaker, i avoid using pronouns when referring to people with neopronouns because i don't know how to properly use them.
Its really not through lack of knowledge its lack of exposure. I basically never hear neopronouns used in practice. So I worry I'll get them wrong, in some way I don't understand if I try to use them, as I lack an example to follow. Getting them wrong would be disrespectful, so instead I just try to phrase in a way that avoids needing to use pronouns, which I know for certain is not technically wrong.
I do want to be better than that.