To be specific the lack of op sec is very humiliating and of public concern. The affair aspect is between him and his wife, people are people and we have to assume those things will happen or else you'll inevitably will be caught lacking.

Most of the Bay Area AI cult is one giant polycule, no one cares about Jensen Huang cheating on his wife.

The US National Security blob certainly cares, but not because of the infidelity.