Height and weight because that's what RFU have proposed for allowing trans women to play.
I don't think you'll find many people here who support the RFU proposal, which seem to have been made up with nothing to actually back them apart from a vague "be inclusive" desire.
We're all about the World Rugby guidelines, which are based on actual evidence and research.
AFAIK, no national body has actually put up an argument pointing out any problems with the reasoning and evidence for the World Rugby guidelines, to justify not following them - they're just pretending they don't exist.
Like you.