I'm guessing this outage will allow GSuite customers to claim Service Credits under the SLA - does anyone have any experience with doing so? Google's documentation is lacking in detail[0].
It depends on the specific country's laws - in Germany you can not write anything you want into a contract and call it valid. In this case, you could still sue Google if according to industry standard definition it actually was an outage.
[0] https://gsuite.google.com/intl/en/terms/sla.html