Then you'd have them waiting around for 30 minutes for you to pop. Yeah, that's simply not happening.
The mission is designed in a way that promotes this type of activity. It's intentional. It's a plague.
It does not matter whether you think it's intentional or not. It is simply a matter of courtesy to ensure that the other people actually want to participate in that aspect of the game or world event that way everyone is enjoying themselves and having fun instead of just you having fun at their expense.