Gosh, where to start with electric dreaming!
Men are not women with high rates of testosterone. No amount of referring to those athletes as women, means they are women.
'Woman' is being used according to the scientific definition of the word. The one that actually has a fixed meaning, rather than the woolly word salad you favour, which includes everyone who wants to be included.
Transwomen may well experience some prejudice. They will also experience all the privilege that goes with being male, right up until they transition. A certain well known olympic athlete can't be denied to have had male privilege.
The difference between a woman experiencing sexism and a trans woman experiencing it, is the TW has the option of opting out by presenting as male. The woman doesn't. No matter what she does, she will be disadvantaged.
Being a woman invalidates me from being a transwoman. I cannot be one, under any circumstances. Therefore...
That's just a starter to the most obvious errors you are making. I mean, it's sweet and all how hard you are trying. But ultimately either you have done no research and given no deep thought to your dissertation (sweet summer child), or you're disingenuous.