I wonder who, ever, thought that weak typing python- or raw js- style, was a good idea? Come to think of it, is there a single redeeming quality of weak typing

I wonder who, ever, thought that weak typing python- or raw js- style, was a good idea? Come to think of it, is there a single redeeming quality of weak typing in those languages other than "easier to wreak havoc and quicker to write crazy buggy shit"? There is probably that stoic school of thought that if you are forced to walk around a construction site without a helmet, it will make you a more thoughtful and better worker, but... come on