I can't name a more dysfunctional hypervisor than VBox. If my choices were a Virtual Box VM or superhacky Docker-as-VM, I'd pick Docker every day. But I'd say

I can't name a more dysfunctional hypervisor than VBox. If my choices were a Virtual Box VM or superhacky Docker-as-VM, I'd pick Docker every day. But I'd say VMs and containers solve different problems. In the case of dev environments, VMs are too "persistent" and accumulate personal cruft very quickly. Container tooling can be built to be noninteractive.