Comment by skydhash

> Group Policies also allow you to enforce things like browser configuration (proxy, homepage, search engine etc.) wallpapers, screen locks etc.

Unix has always be about treating users like adults. The administration tools are more about the whole system and the hardware. You can always provide default or sample config, or prevent anything in HOME for being executed, but enforcing wallpapers is silly. But you can still do it by patching the software.