Bringing up false advertising demonstrates a clear misconception that I think is central to your misunderstanding. A claim of false advertising is predicated on

Bringing up false advertising demonstrates a clear misconception that I think is central to your misunderstanding. A claim of false advertising is predicated on the foundation that a reasonable person could have been mislead. But no reasonable person could be mislead into thinking that Google was offering actually unlimited storage, since it is clear to any reasonable person that such a thing is impossible. “Unlimited” is a perfectly acceptable shorthand for “unlimited as far as nearly all users can tell, interested users are welcome to read the full text of the legal contract agreement for more information”. Olive Garden, after all, cannot actually provide you with “unlimited breadsticks” either.