Actually , they sort of do..depending on organization.
For example, the retired lawyer from DC that posts here posted an interesting thread.
A well known celeb who (most people had the same guess) disguised payouts similar to the way Conyers did
No show work
Any no show work with Congress should be repaid
I think that the entertainment business (for which a celeb would work for) are a completely different breed of cat. Just look at Weinstein, Spacey, and all the other Hollywood sleazeballs. It was was just sort of expected behavior in that industry.
I’ve worked for quite a few tech firms large and small the past 20 years and all had mandatory harassment training and zero tolerance. Of course, you could argue that there were quiet, under-the-table payoffs to hush up some complainers and we never heard about that. But all companies have excellent rumor mills and I doubt that happened. The miscreants were quietly disappeared...and THEN the rumor mill really ran wild.