Actually, the history of why women divisions arose in sports is far more nuanced than you seem to believe. The main reasons for doing so were primarily rooted in sexism. Historical records show that women were able to compete with, and win against, men in sporting events during the early middle ages.
Anyways, I see there’s no reasoning with you, so I hope you have a pleasant evening
Out of curiosity, have you actually spoken to blind people about how useful they find Braille?