[colefichter]

The reason is that Oprah operates in what's called a "winner take all market". There are thousands of baristas, servers, and (probably) garbage collectors with failed dreams of stardom in Hollywood, etc. But you don't hear about them.

Garbage collecting is not winner take all. No single garbage collector can corner the market because the role doesn't require unique talent in the same way that being a famous talk show host does. Oprah's value is her unique personality, brand, style, mannerisms, business savvy, etc rather than any sort of utility (like removing up your rotting trash) that she may or may not provide.