@daringfireball I think the @atpfm boys nailed it. It’ll either be free forever, or you’ll be charged retrospectively for using it, because no-one will complain about getting a $10 bill after the service saved you from a broken down car in the middle of nowhere or a broken leg while hiking out of signal range.

It’ll be a terrible look for Apple (and of course, a terrible outcome!) if someone was not able to use it because their subscription lapsed and they ended up dying.