To give a sense of scale, Tim Cook, leading the most valuable company in the world, earned $13M in 2017, working what is likely 60-80 hour weeks. In comparison, Bill Gates with his $82B assets can sit on his couch all day, and make $13M in investment returns in a couple days.
If anything, CEOs have more in common with regular workers, than with the truly wealthy. This focus on CEOs as the bogeyman, causes us to overlook some more important causes of inequality, such as the ultra-low tax rates on capital-gains, the numerous deductions available to the 0.1%, and the preservation of wealth across multiple generations via estate inheritances.