Certainly there are skaters there from the US who may never qualify for another worlds: in ice dance, ladies & men's because the field is deep, and in pairs, because US pairs seldom seem to stay together all that long.
I'm sure it would be easy to honor tickets that were sold for the Tokyo event, but the concern about hotels and airlines is real. If you bought trip insurance, you're OK, but if you didn't, will airlines give you any kind of a deal?
How about if you bought a package tour (like Dash tours or something). What is their refund policy?