Then kill the impatient player. "Sorry, you just stepped on a trap that doesn't activate until the second person steps on it. You fall down a very long pit into deep water. Are you wearing plate? Yeah, you sink. Sorry you're out of range of Player C's levitate spell. You're beginning to...
I don't buy the Decker effect argument. We REGULARLY are waiting 5+ minutes just for our initiative to come around when resolving combat. It's a lack of player courtesy and arguably DM managing the players when someone is working the stealth component of exploring and the guy in plate insists...
Meh
As one of the MurderHobos in the group, I finally decided to register to chime in.
I sent our Dragonlance campaign DM some of my thoughts in an e-mail. I'll cover some of it here and address some other thoughts left out of that e-mail.
I see Hussar's point but think it is 100%...