>>105737009
>by what metric GNU/Hurd is better than SerenityOS
By absolutely any metric you could think of a part from the number of developers metric. GNU/Hurd gives you an environment that is functionally identical to Linux with most of the apps and services working out of the box. It also run on real hardware
>by what metric GNU/Hurd is better than BSDs
This is more tricky. It’s better since it is a multi server OS created from the ground up with virtualization in mind. But is it really a substitute for BSD? I don’t think so: BSDs, particularly NetBSD has its strength in the simplicity of the implementation. Also Hurd and BSDs share roots in their early developments, as such the code bases are highly cross-compatible. The virtual memory manager is practically the same, even more so in the MacOS version of BSD. So much that Hurd is moving to use NetBSD drivers