Ultimately business systems operate in a purely consequentialist matter: getting caught only matters because the punishment is bad for the stock price, and avoiding doing crimes is the only 99% reliable procedure for avoiding getting caught.

There is a complicated limbo with things like LIBOR, where practice drifted into quietly rigging the number, first in phone calls and then chat channels, and everybody involved kind of forgot it might not be percieved as legal once the outside world realised what happened. https://www.investopedia.com/terms/l/libor-scandal.asp