> doesn't clearly explain that Google eventually established SK data centers and started supporting vector maps anyway

Google data centers != Google cloud data centers

The two are logistically very different and consequently that means the types of workloads they host are also different. The latter is really for GCP usage only (both customers and Google-internal cloud infra necessary to host GCP). Compare https://www.google.com/about/datacenters/locations/ with https://cloud.google.com/about/locations.