[daave]

That page links to https://cloud.google.com/terms/data-processing-terms, which has a lot more detail.

I believe usage for ads is highlighted on the non-legalese privacy page because it's a common question/concern, but the terms specify that data can only be processed as requested by the customer (IANAL, but that's my read and understanding as a Googler who works on Cloud infrastructure).

[killjoywashere]

I would go further and say you're crazy if you think a Google engineer is going to run code on your data without a requirement in a signed and funded agreement.