I want my app to work on iPad's as well as desktop, and tooltips screw up touch responses (I have to double-touch, weird!). Turning them off fixes it.
So I retain all my 'tooltip' configs, and just don't setup QuickTip centrally if the client is an iPad. It works fine for everything except menu buttons - everything else tolerates a tooltip config without an error.
I worked around the problem for menu buttons by just doing: