He wasn't Greek or Roman or Egyptian, And they were still heavily patriarchal. Women had 'guardians' and couldn't do much without them, they only inherited in special circumstances, they were required to marry relatively young and their worth was still put into the gender and amount of kids they could pop out. They weren't really any better, And even the Egyptians still didn't consider women equal to men, and the throne always went to male heirs. And in Athens, Women were considered eternal legal minors, so they were considered children.
Paul was just a man, living in a time where women were not considered equal in any culture, he was no revolutionary, he was just a preacher.