"The problem is people trying to control other people"
Capitalism is private ownership of the means of production. The workers are controlled by the capitalist class. If its a market without control its mutualism or market socialism, not capitalism. Capitalism can not exist without control.
https://www.marxists.org/archive/lenin/works/1916/imp-hsc/
This is imperialism the highest stage of capitalism. The problem is most definitely capitalism, its been proven time and time again.