Where there are humans, there is sex. The obviousness of how that plays out may differ but the underlying theme is universal.
US Gymnastics. Movie, TV, and music industries. US Presidents (and other politicians) and employees.
Hell, you still get it in normal business. The stories my wife tells about former co-workers and bosses are disgusting and a primary reason she no longer works at a former employer.
A women goes to the "Penguin" Publishing, where the owner is a penguin and asks for her book to be published. The penguin makes the joke: "If you want your book in black and white, black and white has to be in you."
I feel like this is based on a true story.
All top country music stars move in the same circles, or highly overlapping circles, for example.
However, if you told me you were a top iOS developer in the tech industry, that gives me zero information about the circles you move in. You also have a long list of unrelated tech companies to choose from. You're not beholden to any one group of people for anything.
This is an entertainment thing and as noted by other commenters has to do with the very aspirational aspects of the positions, along with a total commodity of folks wanting the work. And, an open attitude towards sex. Not a lot of institutionalized systems. Hollywood is not mostly corporate style jobs, on the creative side. With HR departments.
It’s not normal to fuck your way to the top or use your power for sex everywhere. It’s abnormal in many places.
Avoid systems that make you feel uneasy. Whoring/pimping ain’t for everyone. The same way I’d say avoid tech if hyper competition makes you uneasy.