Jesus Christ. Following your logic, I could argue that because (back in the day) the BNP supported a fully funded NHS, anyone who supported a fully funded NHS was also a BNP supporter...see how faulty that logic is?!
Beliefs and positioning can be illustrated as venn diagrams for a reason. Very few people are truly full circles.
But then it's easier to villify all gender critical people through some warped BS 'moral' grandstanding and a need to be 'right', rather than actually engage in proper meaningful discourse that could actually benefit everyone...All the while, doing the polarising work of the extreme rightwing machine for them.