> at least he is cheating with adult women who consent.

Well, he is her superior in a work setting, so there's that. There can be consequences for rejecting your boss's advances, which is the reason this kind of thing is usually heavily frowned upon!

Just because some people have done worse things, doesn't mean you can do whatever you want

I think you just proved the point that people's stance on morality is not universal.

Some of us think all of these things are bad.

Different scales, but all should be considered negative and penalised.

The potential security costs are far more significant than any nominal market fee for services rendered.