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Can someone explain what the point of deleting a purchase is? The email is still there, the data is still there... how is this affecting what Google does with your data?

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From a privacy point of view, there is no point at all in deleting the data. Assuming it was created from email, it can be re-created from email.

Google has said they do not use the info in advertising or sell it to anyone else. Either you think they're telling the truth or you don't.

If you think they're being truthful, there is no problem to solve here.

If you think they are lying, then you'd be stupid to assume they won't recompute the data secretly without telling you.

Either way, deleting the copy of the data that you can view accomplishes nothing.

If there is no point then why does Google allow you to do it?

Reduce clutter? Maybe you want to only remove some but not others?

Let me turn the tables on you -- why doesn't Google have a button to delete all of them at once?

A guess: They build a model of you as a customer. If you delete some information step by step then you possibly start with what bothers you most. So you do the data cleaning for them and train their algorithms. Not to mention that deletion is most likely just "hide this".

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