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)
For example, if an automated system thinks an account is sending spam, enforcing a (very low) outgoing email rate limit would be a much more reasonable first step.