If the entire computer crashes, you're screwed. you can't really do fault tolerant computation from one machine. - Joe Armstrong

Computers are becoming a big environmental threat. They are using more energy than air traffic.

why do we write things from scratch all the time and reimplementing things? because it's quicker than finding another programming language that does it. We can't find this program, and if we find it, it does something slightly different to the one we wanted and it's quicker to rewrite a new program than modify the old program.

I just want to model what’s going on in the real world