Google only gives you good service if they respect you as engineers. We'd say stupid stuff and get the cold-shoulder, and then later would find some cool bug with encrypted VPNs dropping packets (with no monitoring in GCP, only our tcpdump from various places) and got some very skilled network engineers looking at the data and making code changes. They still muted us for long periods of time while talking amongst themselves, but did deliver.
I don’t really think they care about you as an engineer. I had some “cool” problems which they totally neglected for long periods of time and general vibe has been “you need to prove to us this is our fault”. I think the real reason is org incentives aren’t setup to make infra team happy