I don't think it can be construed as false advertising as long as the contract is carried out (i.e. if you sign up for unlimited for a year, they offer you that

I don't think it can be construed as false advertising as long as the contract is carried out (i.e. if you sign up for unlimited for a year, they offer you that until the year ends). Perhaps Google doesn't see it as a good business relationship either if you're in the 99.999th percentile of usage.