Doesn't matter who he brought really. Styrk and ganglait was obviously bad to hurry the plot along but strife would of taken root over land, blood and love
Thorfinn is the leader as such takes responsibility, thats why Hilde announced that she would/should shoot. He hesitated probably because of his extreme pacifism stance that killing even in self defense is wrong and everyone should use viking kung fu (which he mastered by killing countless...
Thorfinn will be running away from strife forever. Even if he does get away from this current strife, the foundation of his original camp has already been damaged beyond repair.