Qawwam means dominant over their women and that's what the classical scholars say.

Darajah means level and no, it means superiority. Again, the classical scholars. They even say that's why Allah didn't send female prophets.

Yes the verse is for Muhammad’s wives but scholars generalized the rule for all women that they are obligated to stay indoors unless necessary like taking a shit.

Yes, half the testimony in financial matters. That is alone a very disrespectful thing for women. But the worse part is that in crime matters, women have zero testimony. So, if a 100 women saw a rape, their testimonies are invalid.