Before you can buy a car you sign a waiver
Before you can dine at a restaurant you sign a wiaver
Before you can buy fast food you sign a waiver
Waivers is the wave of the future. It documents that you know what you are doing and you are doing it with your eyes wide open and no one flim flams you.
The surgeon kills you through negligence but you signed a waver so he/she is off the hook. Insurance rates would go way down since no need for insurance if no one is gonna sue you
Signing a waiver before you engage with cops would be very tricky.
Before you are hired you must sign a waiver absolving the owner of everything anything
