I am not a lawyer. I think a mistake many people make in ongoing situations like these is contacting (and thereby deferring to) a companies 'support' channel. By asking them to reconsider, you almost subject yourself to their authority. If you believe you have a legal dispute, you should write to them officially, cc your legal advisor if you have one. Given the sums involved I would personally take professional legal…
I am not American. I read this sort of advice a lot here on HN and it always puzzles me. If I were to believe HN, the only way people ever do business in the US is through their lawyers. Or, at least, the moment there's some sort of misunderstanding or screwup there's always someone on HN who says "lawyer up!" and it's usually the top comment. Somehow, apparently, trying to sort things out the oldschool "hey we're bo…
Your exposure is selective: you only get to hear about the cases where normal business has totally broken down (here, to the tune of six figures). This is true of most international news coverage, really...