Fedora lifetime and stability

[Timothy Murphy]

Bill Davidsen wrote:

> Note: I don't see Fedora and Ubuntu competing for the same users, so
> there's not much "win" there, if I didn't run Fedora I'd probably go to
> CentOS for most things, certainly for servers.

Well, they compete for me.
I used Kubuntu for a time, and it seemed to me
more or less identical to Fedora KDE.
I stuck to Fedora because I had it on other machines,
and saw no reason to change.

What is the difference between Fedora and Ubuntu users, briefly?