What stops Proxmox is the same thing “stopping” Canonical. The next day there’ll be a fork and anyone can start selling pro support for it, further encroaching in their business model.
Regarding TrueNAS, there’s nothing broken. You can can sideload both containers and VMs. You can say it’s inconvenient, but again, it’ll be suited for some people, not so much for others.
What stops Proxmox is the same thing “stopping” Canonical. The next day there’ll be a fork and anyone can start selling pro support for it, further encroaching in their business model.
Regarding TrueNAS, there’s nothing broken. You can can sideload both containers and VMs. You can say it’s inconvenient, but again, it’ll be suited for some people, not so much for others.