I completed a computer engineering degree in embedded systems. Everything I have worked on has benefited from the courses I took during my PhD program in user

I completed a computer engineering degree in embedded systems. Everything I have worked on has benefited from the courses I took during my PhD program in user centered and participatory design. How are people going to use their CS skills? I think it's very rare for someone's hacking not to have an effect on someone else even if it's just fellow engineers...