I'm sure that when the first two guys put down the spikes, and THE 3rd guy comes in and breaks the locks - when there is no 4th guy yet....
You see where I'm going?
In your example, it begs the obvious question of why they proceeded early. And what you say is true in your example.
But the majority of these cases don't involve just 3 or 5 guys, they involve ALMOST enough people to carry it off if many/most are good, and not enough people if they're an unorganized PUG.
I'm thinking SOME of the problem can be averted by gathering as many people at a site before spiking, but I know that's not easy or efficient either.
I've gotten inside with my share of teams of losers.
I can walk away from a siege with teams of losers making it pointless.
I have to quit the game to get out of a Break that exceeds the loser quotient.
http://i876.photobucket.com/albums/a...her/images.jpg