You could of course sue Google, but that's an extremely expensive and time-consuming option, rarely worth it for a mere consumer. Going to court certainly won't make your suspended account become unsuspended any quicker.
Just think about the army of "Facebook content moderators" who were a popular topic on HN recently due to the concerns over their mental health.
(I am offering no solutions here, for I know none)
After a lot of trials with various approaches, we settled on letting some criminals go free over convicting someone on weak evidence. Second we decided that trials should be open and evidence viewable by default.
Finally you generally have the option to give some security to stay out of jail during trial.
Closing a google account is a punishment worse than many criminal convictions. And will only get more important as we progress to an all digital existence.