Different industries have different structures and different cultures. This is an entertainment thing and as noted by other commenters has to do with the very

Different industries have different structures and different cultures. 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.