Push your door. They'll get the hint.
Seriously, why do people fail so hard at these? I know it's a pain to put down your smart phone for 10 seconds to navigate the doorway, but some of us would prefer not to be trapped waiting for you to post your critique of your sister-in-laws choice of lunch.
You'd think so, but results seem to be mixed. End up with "Oh, sorry" and then the behavior repeats. Maybe if I wasn't so nice I'd push harder, but it's so hard to build up momentum with those things.