I’ve wondered whether, if I’d been born 30 years later, I too might have tried to transition.
Okay, let's be honest we all know you probably wouldn't have tried to transition as this is something that only people with genuine and severe lifelong gender dysphoria do. But okay then.
The allure of escaping womanhood would have been huge.
But you wouldn't have escaped womanhood, because sex is real and immutable. As you yourself pointed out.
I struggled with severe OCD as a teenager.
Sorry to hear it. That must have been really tough for you but I don't see why it's relevant.
If I’d found community and sympathy online that I couldn’t find in my immediate environment, I believe I could have been persuaded to turn myself into the son my father had openly said he’d have preferred
That would have been an unusual and drastic response to your problems but fair enough if you felt that way.
It would have been nice of you to clarify that you're not suggesting that other young women are 'turning themselves into boys' to impress strangers on the internet and please their fathers, because that would be a very weird thing to do and is rather insulting to transgender people.