I think baby boomers’ tendency to get very mad at slow service goes hand in hand with their dislike of smart phones. Every situation I’ve been in where service is slow? I just whip out my phone and browse apps for the extra 30 seconds. It’s not a big deal. Meanwhile Landline Howard behind me in line who’s never held a smartphone in his life is bored with nothing to occupy his time so he yells at minimum wage workers instead.