And of course, if they *are* so greedy that they force your hand anyway, then your users will be able to escape. Your service will be wrecked and you'll be broke, which sucks for you, but you're just one person and your pain is vastly outweighed by the relief for the millions of people who escape your service when it goes sour.
There's a name for this dynamic, from the world of behavioral economics. It's called a "Ulysses Pact."
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