I agree for the mouse. I guess when you (you, me, anyone) grab your mouse, you change your focus so you switch to visual. Perhaps designers or people using mou

I agree for the mouse. I guess when you (you, me, anyone) grab your mouse, you change your focus so you switch to visual. Perhaps designers or people using mouse only softwares might be more sensitive about UI changing on desktop. But when you're using an app on a smartphone or tablet, it's still your hands and I think that's when it becomes a problem if the UI have radically changed.