30 years of digital life lost.
Reached out 18 times. No solution.

I don't have any advice beyond the lawyer, but to everyone else: this is why you don't just rely on cloud saves. If your data is important, have your own copy. Companies can close your account or go bankrupt at any time, and there's basically nothing you can do about it. You have no rights or recourse in the terms of service that you didn't read.