The insight is to not write critical, bug prone code if you don't have to. Encryption, time, primitives, etc., are things that many people need and use and alre

The insight is to not write critical, bug prone code if you don't have to. Encryption, time, primitives, etc., are things that many people need and use and already exist. If the solution you need doesn't already exist, of course you need to write your own.