It’s even worse on touch devices. You have to touch the bottom screen to get the controls to appear. Accident touch twice in the wrong location and you can hang up.
In fact, now I think about it, this has happened many times over the years with traditional mouse drive interfaces too.
I'm sure some power users would like to shorten the 'reaction time delay' or even remove it entirely so I guess that should be an option as well.
There's nothing quite like watching a dialog box go flying by because you hit enter at the exact moment it popped up. What was it? What did it do? We'll never know!