The problem is how they are given their salaries... so that a lot of their wealth is tax free/deferred that bothers a lot of people. We also have the whole corporate tax rate issue, which is always talked about being raised. The corporations then threaten to just up and leave the country, rather than pay rates they did when America "was great."
Then you throw in CEO salaries in comparison to average worker pay, and the gulf between them that has grown wider since the 70s, and the golden parachutes provided to CEOs and others who are ousted, and you are left with a lot of folks who feel the rich aren't taxed enough/or make too much.
There is probably a balance that can be struck, but in the end we end up with nothing getting done, veiled threats by companies "promising to leave jobs" here and blame the Dems, empty campaign promises by Dems to sure up the corporate tax structure, and the hollow words of Repubs who claim they will have businesses invest in our workers and pay proper wages across the board.
Meet the new boss; Same as the old boss....