Man, even if their ridiculously, comically villainous plan was successful, which as we all understand is impossible to even consider, humiliating honorable guests and Murim representatives at your own banquet seems like a move that will ruin your reputation in a second?
Like what's the point even? "Hey guys, we're this upstanding Jaegal family, the paragons of justice and prosperity, and we like to torture our guests for fun; oh, and also our disciples can't control their swords well"?
Yeah, sounds about right.