Comment Re: Here's the solution (Score 5, Insightful) 577
You should be able to install 1000 programs, uninstall them all, and your system should be identical to what it was before. Anything else is a failure.
The very existence of the registry is wrong. Operating systems like Unix, Linux, MacOS, Solaris, etc. don't have a registry, and don't have any significant "OS Decay".