When did it become acceptable NOT to hold the door open for the person following you? Or to shove your way into a doorway while someone else is trying to exit as you open a door? Both of these things happened to me today (while I was purchasing a delicious baked good, which somewhat soothed my ire). Two grown men shoved their way into a door I was exiting, effectively sticking all three of us with no where to go and then shoved me backwards so that they could get in. I was so flabbergasted I nearly boxed both of them on the ears.
Exactly previous to this I was leaving my building directly behind someone and they let the door slam in my face! Maybe I'm old school, but I always hold open the door when someone is behind me, even if they are more than a few steps behind me. Is it the apocalypse coming? I thought this was just a generally held etiquette, am I wrong?