"IBM offers the industries first bare metal Kubernetes as a managed service. This service will enable developers and data science teams to push containers to a managed service directly on bare metal cloud infrastructure... Not sharing the infrastructure means an extra layer of isolation, security and better performance with a choice of machines."
IBM is not the first to offer "Bare Metal" Kubernetes, though: Oracle Cloud Infrastructure (OCI) is providing many services on "Bare Metal" (dedicated OS without VMs), including containers:
Get a highly available Kubernetes Cluster on Oracle Cloud Infrastructure in minutes | Oracle Developers Blog"you can specify Bare Metal shapes (no hypervisor!), in addition to VM shapes, to leverage the full power and performance of OCI infrastructure for your Kubernetes clusters"