But this is about backups and the fact that this guy bought a new phone and started a data restore for Whatsapp from GoogleDrive, what if something is wrong there, maybe the backups are not even encrypted, even though everyone thinks they are.
> ... With end-to-end encrypted backup, you can also add that same layer of protection to your backup on iCloud or Google Drive.
[1]: https://faq.whatsapp.com/general/chats/about-end-to-end-encr...
My first suspicion would be, "Define new". OP and you could be working on 2 different definitions of that word.