It's weird because the "ability default" setting for quantum entanglement seems perfect for quick cast. You can hold it to see range then you double tap and it brings allies. The only downside is it forces you to use confirm cast for the regular version. I guess instant cast is the compromise? But you lose the ability to hold the ability key down and see the range which is the whole benefit of quick cast. I'm guessing you guys know since he has his own quick cast settings for quantum entanglement but just incase