This is obviously true to a large extent, but it is also weirdly necessary to explain basic ethical precepts to a surprisingly large number of otherwise well-educated people. Believe it or not, a significant number of people simple don’t know that it’s unethical to, e.g. exfiltrate code or data from a former employer. Making it clear that this is an ethical line may have some value.
It's more of there has to be some kind of external enforcement or you turn into a low trust 'I got mine' society. Modern capitalism says companies should strip mine everything from human resources to the literal earth don't be surprised when their workers treat them the same way.