Good point. What I would say is that my mobile apps have very large buttons. Any 'miss' could only really occur at the edge of each button. So in that case I

Good point. What I would say is that my mobile apps have very large buttons. Any 'miss' could only really occur at the edge of each button. So in that case I could use the event coordinates in contrast to the dimensions of the button to decide whether to revert to onClick() behaviour. Edges ==> onClick() Center/Sweetspot ==> onTouchStart()