Earlier quoted context omitted.
Whatever Google wants you to do to access the content. Once it is on their domain, they have full control over it.
It's not on their domain though. Or at least, it's not _only_ on their domain. Google is just caching content served from the publisher's domain; you can access that content just fine without going through Google.
But the version on Googles domain is the version they display in the search results. So it's the version that is seen by users. So it's the version that matters.