I think, Dante, just as upset as you were about all Libero nobles being lumped in with what happened, I am just as offended at you saying the players of Summerdale are on a witchhunt. (Though if you mean IC, you're completely right)
Did it change the war in the short term? Yes.
Would Morek have entered anyway, probably (That's the reason there was no war in the north for so long, whoever started it would be ganged up on).
Did it change the long term outcome? Maybe. It's entirely possible that Summerdale could have defended the region against a combined attack.
Are we here to discuss politics or what ifs? No.
Was the Magistrate's verdict obeyed? That is what were discussing. Not whether it was a good verdict, whether obeying it would have changed anything. If he had disbanded them, Libero (or Orris, if you like) could have easily replaced them. As stated elsewhere, leaving the region militia less wasn't the intent of the verdict. That the militia had to be disbanded, then replaced with Orris' time and gold (or donated gold) if he wanted the militia there was. His player posted that he chose not to do so, even RPing a reason not to.