NO WARNING BEFORE CALAMITY STRIKES

I happen to agree with this.  Otherwise, people would just slack off until the warning.  It is human nature:

https://www.youtube.com/watch?v=-Lwt7rrC7Ew&feature=youtu.be&fbclid=IwAR0mOcvZ7Wc7z7PguKW7M7Mo-dyBDdQgAhGmbnQ0LgYiliIEC4pBTDfUygo

Enjoy.