Some people here also pointed out that Amazon would rather pay RSU, but people prefer cash. We all know that Amazon outperformed the market in the last couple of years and that the RSU would have been more valuable than cash, but even with the benefit of that hindsight, most warehouse workers would still pick cash because they don't have the privilege of making long-term investments. The sad reality of today's society is that it's not that hard to make profitable long-term investments (just look at pretty much anyone's 401k) - but for the majority of the population, they just don't have enough money to put it to work.
No, there are references stating that CEOs get exceptionally high equity comp in addition to exceptionally high cash comp.
Win on the carousel, don't lose on the swings. They've set it up so they can't lose.