> (b) we allow businesses to profit wildly while not paying enough (by exploiting (a)), because we have the taboo that not meddling with the market is the best course of action. A more englightened society that didn't pay too much attention to economy pundits working for rich people, might find a way for better revenue sharing with employees...

And because we've been taught that discussing how much you earn is taboo, especially with your colleagues.