Get a Dominator suit and a couple of Karma dealers. De-inhabit the settlement, then add insult to injury and also shut down their power station.I'd love to blast them and their flea ridden settlement off the face of the planet right now!
Yes, that'll get you a few days in the naughty corner - but if you manage to pick up any unconsidered trifles in the setlement, you should at least be able to pay off the Interstellar Factors once they consent to talking to you again.