Crashing could not be more inconsiderate to a host. It is a negative act because hosts likely have a particular plan for the event, an intention to move guests' attitudes in a certain direction.
When in doubt, look at what everyone else is doing.
If you're making a social call, don't call past 8 P.M. The evening is a time when people need a respite from their work - a time to unwind, uninterrupted.
For every step forward in electronic communications, we've taken two steps back in humanity. People know how to use a computer and answering machines but have forgotten how to connect with one another. Our society is unraveling. We're too self-obsessed.
I'm for anything that teaches consideration and kindness. If one can teach one's son to dance with the ugliest little girl in the room, that's the best lesson they can ever learn.
Administrations had come and gone in Pennsylvania Avenue, but many old entertaining traditions had survived - thru habit and not thru merit.