Be that as it may, it means that the muscle memory (or more accurately, the mental model of the system) is gone. I've long held the belief that power users or knows-enough-to-be-dangerous users have a harder time switching for that exact reason.

A control panel (or cross-distro YaST) would be very welcome in the ecosystem I think.

We weren't talking about whether the registry was better or worse, we were talking about how similar the two OSes were.