Well I would absolutely want him coming with us to china. I'm not worried about that stuff, everyone does that stuff, everyone does it I don't think it's a big deal.
He's literally saying that everyone has an extramarital affair with what turns out to be a Chinese spy about the CEO of the biggest company in the world. Just because HE did it his whole life he assumes everyone else is that immoral too and he's not remotely concerned about the national security aspects