They're saying that there shouldn't be one because we shouldn't need one.

All spectrum of existence and life is valid equally. No discrimination due to no prosecution occurring across the spectrum and therefore no aspect of the range is special. When none is special, then there is no reason to center an identity around it BECAUSE it's accepted by society.

As a thought experiment, imagine if we discriminated based on height and based an entire identity on introducing yourself as a "#mountain queen👸" or something