Of course they have unlimited funds but keeping rates artificially low like they have for the last 18 months will have its consequences. Do you honestly think rates can stay this low forever, not possible.
so did Germany, Hungary and currently Zimbabwe. they have a ceremony in zimbabwe. it is called dollar burning.
i heard a funny zombabwe joke the other day Q: what's the difference between a tourist and a racist? A: about a week
You're right, there would be unintended consequences; but when? Kind of like Drunk Driving, one of these days the drunk will get into a major accident (possibly fatal), but the drunk might be able to keep driving drunk for a couple of decades.