I am part of an organisation that is currently imploding due to trans ideology. There are one or two brave souls trying to put forth facts and figures regarding the idea that most people believe that sex is immutable - can anyone find some solid research I can quickly quote on this? We've provided a yougov poll on how many people think that Trans Women shouldn't partake in women's (biological female) sports which was quickly rebuffed by the argument that it's not possible to extrapolate from that that the same people think sex is immutable. Can anyone help?