Source for this? Also, are you saying that 10-15 trans women run in the women's category? As I can tell you that this is false. Or are you saying that 10-15 young males run faster than the female record? A case which makes no sense in context as we are not talking about men running in women's competitions.

Also, your comment on Laurel Hubbard aged like milk, as Laurel failed at all three lift attempts and had to quit, not winning a single medal in the process, so... advantage? Nope.