To me it's like code optimization. You may spend a lot of time optimizing the code responsible for 1% of run time, or you may spend that same time optimizing t

To me it's like code optimization. You may spend a lot of time optimizing the code responsible for 1% of run time, or you may spend that same time optimizing the code that takes 60% of the total run time. That said, I'm not saying we should not work to reduce the pollution everywhere.