Originally Posted by laeelin
For example: (not that good of an example, but oh well)
They don't have a problem with hitting a hotkey twice to ice then blink.
They do have a problem with something like Frost Nova, Blink, Frostbolt, Frostbolt, Frostbolt (till Frost Nova resets) then Frost Nova, Blink and Frostbolt spam again all by just hitting one button over and over (and spinning arround after blink).
It's one of the protections in the game to (attempt) to stop players from being able to play the game by just hitting one button over and over.