This is actually not true, they're hosted on GCP. This was leaked and confirmed: https://appleinsider.com/articles/21/06/29/apple-is-now-googles-largest-corpora

This is actually not true, they're hosted on GCP. This was leaked and confirmed: https://appleinsider.com/articles/21/06/29/apple-is-now-googles-largest-corporate-customer-for-cloud-storage https://appleinsider.com/articles/21/06/29/apple-is-now-goog...