Not sure if this comment was about the data corruption bug in Cloud SQL's PostgreSQL version, but the benchmarks we ran at https://aiven.io/blog/postgresql-cloud-performance/ used Aiven's PostgreSQL service on top of VMs from the cloud infrastructure providers and weren't affected by Cloud SQL issues.

The same Linux, PostgreSQL, etc versions were used on all platforms. We didn't use RDS, CloudSQL or other managed services from the infrastructure providers, but the PDF version of the presentation does include comparison of our managed PostgreSQL service with RDS PG and Aurora PG if you're interested.

The article doesn't say the GCP results were incorrect. What's your source?