I expect the majority of those people also want to be either a he or a she. - Simon
That is exactly what transgender people are saying about this issue. The 0.3% who have gender dysphoria want to be accepted as male or female. We should of course accommodate that
The far bigger group who flounce around demanding to be called Zi etc are poseurs. Their position is based on the nonsense that gender is a social construct and they can choose from an ever-expanding menu of options and change their mind again next week - and everybody else MUST play along.