Lots of things I would do were I benign dictator of this country. Banning car alarms would be one. And this would be another:
To all those who do not go to airports often, THIS would be required reading before each trip. And to get a good idea of the resentment and outright anger caused by disobeying these most basic rules of courtesy and efficiency, THIS would be required listening. Oh, and a required signed disclaimer stating that any injury to one's person as a result of infraction of these rules is the injured person's responsibility only.
In a nutshell, standing on the left is an affront to my very German sense of efficiency (and I am a huge proponent of the motto "lead, follow, or get out of the way"), and if I bowl you over, you had it coming.