I also disabled "account syncing" for this instance of chrome, meaning that my browsing history and so on will not get synced to/from my Google account and to/from my other browsers. That might be part of the fix too, can't tell.
Dec 24, 2020 · warning We don't have any control over Google accounts. If your Gmail or Google Workspace admin account has been blocked, please contact Google directly. To fight spam, Google temporarily disables your account if it suspects or detects any unusual activity on your account: Sending many emails with a new Gmail or Google Workspace account