In the good old days they also exploited their workers a fair amount, hired private security to break strikes (e.g. Homestead strike). Nowadays the most profita

In the good old days they also exploited their workers a fair amount, hired private security to break strikes (e.g. Homestead strike). Nowadays the most profitable businesses need nearly no unskilled labor or if they do, it is usually the subcontractors that mistreat their employees.