That involves knowing the one line on the terminal, and when you google "rails set up" you will get a bunch of out-of-date tutorials, and not knowing rails you

That involves knowing the one line on the terminal, and when you google "rails set up" you will get a bunch of out-of-date tutorials, and not knowing rails you won't know which is out-of-date. On the other hand, 30 year old C code will often compile right out of the box, because the people maintaining them weren't chasing the New Flashy every year. The modern systems suck in terms of maintainability.