actually i agree with OP
the tap to focus would be great IF the MAVIC didn't have the tendency to loose the actual FOCUS.
I took a few videos at sunset or early evening over the week end, and one thing i noticed is that it would suddenly become blurry, with no reason, and without me even touching the screen...
So i tap to focus infinity, it will set to infinity (at some occasions with quite some delays while flying in mid air)...and then after some minutes, video will become blurry by itself..untill i tap to focus once again...
I didn't notice such behaviour is full day light so i presume it's linked to sunset time or low light evening times...