The US supply-side and financial backers being on board a more extreme financial greed train is what leads to Hilton being motivated to do this more in the US than in other developed country markets. What allows Hilton to get away with doing this more in the US than in other developed country markets? Hilton's greater market power/concentration and some other domestic dynamics. Food prices, energy prices, and labor are just the latest excuse for something that Hilton and its hotels in the US have wanted to do for some time and then some.