It's not jealousy, it's a fear of plutocracy.
People with money understand that if someone else has money, their money becomes less valuable, so they change the laws and lobby government to keep other people from getting rich.
Example: copyright laws being stretched over and over again to keep corporate cash cows from falling into public domain. Disney and their mouse. Submarine patents. Net Anti-neutrality.
I remember a story of how Apple successfully sued an ex-employee for starting a new business because he had obviously thought of the idea for the business while working at Apple.
*Thought of*, they sued him over his thoughts, not that he left with a pile of paper or a floppy disk.
Hey, if you can hire an army of lawyers for millions of dollars, you to can win every court battle.