The usage of "free" is almost always used when referring to something that can be obtained/used without exchanging money.
Google is not requiring you to pay for an account. Even if they were, you could still complain that this is not "free without an active internet subscription", or "free without owning a device that can connect to the internet", or "free without taking up 5 minutes of my time".
Google is not requiring you to pay for an account. Even if they were, you could still complain that this is not "free without an active internet subscription", or "free without owning a device that can connect to the internet", or "free without taking up 5 minutes of my time".