I have a pet theory: there are managerially-minded university graduates who value prestige more than power or pay. In the post-War era, they became beige-suited company men. In my generation, they went corporate finance. Today, they work for private equity. Banking was great. Everyone–from liberal arts to engineering majors–could putz around for years in a pre-defined and prestigious path with moderately above-market…
There’s a book called “Excellent Sheep” that explores this idea as well. It’s been a while since I read it but roughly the premise was that all these “prestigious” organisations (they focused more on McKinsey et al) are another, maybe final, stage on a long ladder of structured excellence. AP/Extracurricular -> Ivy League College -> Consulting (or PE/IB) -> MBA -> ? The path is well defined and optimises for essentia…
It may not be the best thing in the world to be an "excellent sheep," but perhaps it's better than being a lone ram.