{"id":"gcp-data-durability-requires-dual-scale-governance","text":"GCP data durability requires governance at two independent scales: per-service protection engineering (Cloud SQL triple investment in HA/replicas/private networking, GCS defense-in-depth across immutability/namespace/encryption tiers) AND cross-service CMEK blast radius management (a single key destruction cascades data loss across every service using that key, voiding per-service durability guarantees regardless of investment).","truth_value":"OUT","source":"","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{"_retracted":true},"explanation":{"steps":[{"node":"gcp-data-durability-requires-dual-scale-governance","truth_value":"OUT","reason":"retracted premise"}]}}