By the time you're married, there's likely to be very few purely sexual things you haven't explored, so a quiz about sexual purity is silly. The other stuff is definitely not very comprehensive.
He's the face of the Republican Party in the Senate and has been behind some really reprehensible actions like stealing a Supreme Court seat, but you are correct that currently he's supportive of Ukraine. I wouldn't expect that to last if Trump or another Russian tool wins the Presidency. He wasn't nicknamed "Moscow Mitch" for no reason.
I don't think it's about corporatism. For a lot of them it's about religion. They want more babies for Jesus. From a more cynical point of view, the earlier a woman has children, the more damaging it is to her future economic and educational prospects. Poor uneducated people are more likely to be religious and conservative. It's a culture war.
I'm sure it is traumatic but that denial doesn't relieve him of legal responsibility. Negligence that leads to death is often prosecuted criminally.