The Staniland question:
Do you believe that male-sexed people have the right to undress and shower in a communal changing room with teenage girls?
is so clever. The fact that so many people refuse to engage with it - let alone answer it - means it's a quick, powerful, way of showing how ridiculous the TWAW position is.
Can we think of any others that would be as effective? Maybe we could come up with 5 or so really sharp questions that TRAs could refuse to answer. My first thoughts are something along the lines of:
Why is it racist to identify as another race but stunning and brave to identify as another sex?
I'm sure somebody can word that better.
So any suggestions? The questions need to be short and clear.