
It's likely that for a lot of writers, this is a supplemental form of income. It's a great part time job or a way to make extra money when you work for established companies with strong reputations and a large population of active consumers.
I doubt that many writers would want to involve themselves in the business side of the industry, particularly when enjoying this as supplemental income. I would question the wisdom behind entering into a business arrangement with strangers as well.
I think that some companies do more than others for their writers. The suggestion that all companies are "pimps" seems a bit off but I could see that applying to some of these companies that do little more than match up potential clients with potential writers. I don't think that they offer much to writers or clients.
However, the companies that I work for do the things that I have neither the time nor the inclination to do. They do the customer service, they handle payment processing and they do the marketing. They pay me on time, every time, and they let me pick the extent of work that I do, leaving me a lot of freedom to do other things as well. Seems like a win-win to me.
Jeez, I sound like a commercial.
Anyway, back to study and work.