Comment by watermelon0

Do you plan to refund all previous free trial customers, who didn't contact the support, and actually paid unexpected overage fees?

Invoices are legally binding documents in many countries, and even if that might not be the case in your country, not everyone might be aware of that fact.

> since it gives their AP team a real cost to work from instead of a ballpark of us vs. GitHub

Same could be achieved by showing the real cost in the web app and/or sending a report via email, without scaring them away, and possibly _extorting_ them.