> he did not build Amazon from nothing
So all those broke founders that went to investors and raised money to fund their startups - did not build them from nothing?! That is news for them, I am sure.
> exploit other human
The absolute best thing you can do for a fellow human being is give them a job. Jobs for free people that can accept or reject them are not exploitation. Somebody who doesn't respect jobs and work has probably never worked an hour in his life.