It seems that even Googlers themselves cannot get any human contact for account support.
(Sadly I can't find that Twitter thread anymore.)
EDIT: Found it - https://twitter.com/miguelytob/status/1315749803041619981
From recent tweets, it seems he's now leaving Google, and is busy retweeting stuff about people who have been fired and/or are suing Google. Wonder if him leaving has anything to do with that incident and whether it was ever resolved.
In my direct personal experience, I went on medical leave near the end of my stay there and when I came back over half of my team had quit and bailed for other companies or other orgs (largely over complaints with management).