Besides, if there's an alleged bomb on board just keep the pax on board until it goes off. Can't have them deplaned and wandering all over the place, won't do at all.
I don't think you people realize the regulatory and statutory ramifications of a couple hundred people exiting onto airport grounds without several badges covered with some unknown hieroglyphs, without ever watching a 90 minute safety video and perhaps the worst offense possible to humankind, no safety vest.
Even ignoring the above, there is also the enviromental threat of disturbing the burrow of the spotted winged gopher tortoise no doubt spooning his mate during his once in a decade mating cycle.
Seriously, you people are anarchists as is this brigand Captain