Thers always piefed :)

I mean, I didn't make the chart, I'm just speaking on what the creator's reasoning might be

Based on the image, it seems like the argument is that Windows can be installed on a larger variety of devices than the other two

Yes, It's what's called a hypervisor, it is an operating system designed to manage vms, it can do a lot

Edit: I'm thinking of proxmox oops

Portainer is for docker containers

Graph maker forgot about segregation and the CIAs global war on socialism