I dunno about this. They took a risk and lost.
Baloney. We entered into a treaty with them, like it or not, we did. They spent tons of cash in good faith, based on US process and all. Barry pulled the rug out with no due process.
Think of it as you building a house, going through every legal process required by the county. You have already paid the architect, who has done the work, you paid the builder to start the surveying and foundation work.
Then you have the county come back and say the permits are suddenly refused on the whim of one man who says he will never allow a house to be built in that area of the county.
They were led on and had reason to expect it to happen - even with the initial delays.