Did you notice that in the debate with Calvin Robinson, Tom Harwood said this:
[in the UK] "12 million children maybe 2000 trans"
That makes the prevalence to be 0.016%. That's a factor of around 20 to 30 lower than the oft-reported 0.3-0.5% that's become standard.
The 0.016% figure looks broadly in line with the prevalence numbers that gave the 5,000 transsexuals in the GRA debates. It seems that Harwood means gender instead of sex and transsexual instead of transgender. Also, is Harwood implying that there is a very small number of "trans kids" and the vast majority of trans people are adult transitioners? That's T*-y territory?
People arguing to support gender identity ideology will say any old shit if it supports their argument.