I think a lot of your side-thought basically comes down to the fact that there's an overabundance of qualified people who have to choose between a career that's

I think a lot of your side-thought basically comes down to the fact that there's an overabundance of qualified people who have to choose between a career that's personally fulfilling and pays like shit, and someone who never wants to worry about money again and seeing something like Facebook being the way to ensure they don't have to. Personally, IMHO, if we want more people to have fulfilling careers that are a net-gain for society, we need to foster an economy that finds that valuable and will pay for it as such, instead of seemingly, almost intentionally, placing personal fulfillment/net-good for society on the polar opposite end of what pays well.