The point wasn't ever to protect their innovation (if it can be called that) against others. The point is to ensure that only Amazon has the ability to do one-c

The point wasn't ever to protect their innovation (if it can be called that) against others. The point is to ensure that only Amazon has the ability to do one-click checkouts in the way that is described in the patent. Licensing that technology to you would dilute that monopoly and defeat the purpose of gaining it.