Nothing in that video is about scale. Or the difficulty of serving 5TB. It's about the difficulty of implementing n+1 redundancy with graceful failover inside c

Nothing in that video is about scale. Or the difficulty of serving 5TB. It's about the difficulty of implementing n+1 redundancy with graceful failover inside cloud providers. User: "I want to serve 5TB." Guru: "Throw it in a GKE PV and put nginx in front of it." Congratulations, you are already serving 5TB at production scale.