If there was never Control System Engineer how would the world be like, would the world be really different or slightly?

Question: If there was never Control System Engineer how would the world be like, would the world be really different or slightly?
- Keywords:
  control system engineer,
  impact
Asked by NonOfYourBuisness to Mateusz on 10 Mar 2017.
- Mateusz Jozko answered on 10 Mar 2017:
  
  I can’t imagine world without it to be honest. I just thought what would it be if no one does my job ? and I can tell you, there would be no gas plants, power plants, factories, no oil and gas.
  That would be already a big change right ? 🙂

Question: If there was never Control System Engineer how would the world be like, would the world be really different or slightly?