These days, Docker doesn't care about the underlying container runtime. You can use Docker to run containers in VMs with Firecracker, gVisor, Kata, etc. Securit

These days, Docker doesn't care about the underlying container runtime. You can use Docker to run containers in VMs with Firecracker, gVisor, Kata, etc. Security and multitenancy are their raison d'être. You might have been right in 2014. In 2022, containers are most definitely a security mechanism.