Seeing your neighbor do it teaches you to switch jobs and work 1/3 as hard.
The reason this doesn't work is the same incentives people are discussing. If there are high-paying easy jobs, people will demand them and theoretically the wages will fall until demand for the job tapers off.
All of this is a bit unfair though, because "having a social safety net where poor people can have vacations and a happy life" is a lot different than the myopic, mean-spirited conservative reply of "but my neighbor is a lazy jerk who makes more than me!"
I'm 90% sure that my boss makes about 1.2x what I make.
But do they take massive risks without potential massive reward? A lot wouldn’t.
Unless they’re under the rule of a dictator and their life is threatened. That’s an incentive.
If the worst-case scenario is starting over perhaps the risk isn't so "massive." But when the worst-case scenario is starving then it's certainly a massive risk.
Also seeing your boss put in a third the effort and produce 10 times the paycheck is also demoralizing...