i do think it is fair if it is a free service for there to be some limit for how long the data is stored. my question is, do they also delete any related metadata that they use to improve their targeted advertising in reference to me?
> As always, we don’t sell your information to anyone, and we don’t use information in apps where you primarily store personal content—such as Gmail, Drive, Calendar and Photos—for advertising purposes, period.
No data from your uploaded content is used in targeted advertising (and there's not much metadata they could really use to target based off of that - who would target based off of "visited Google Drive every other day this week" in terms of adwords customers).
