I think the ideal is to have some people who gravitate toward the bleeding edge, and some people who gravitate toward the stable center. I think, when the system works well, each group benefits the other. For example, I like debian for my servers because I like my servers to be as stable and low-maintenance as possible, but I am also really fascinated by NixOS and its approach to system administration. Personally I still need to play with it some more before I trust it with a production service, but I could see running a Nix-based distro at some point. And I appreciate all the brave testers out there right now, finding problems and fixing them. What they do makes my life as a simple server manager a lot easier.