"Think of yourself as the average Joe Shmo living a typical America urban/suburban/cubical lifestyle."
If that is the criteria then the multitool--particularly the large version-- wins hands down, at least for me. There are simply too many wires to cut, strip, and crimp, too many Phillips screws coming loose, and too many things that need to be filed and sawed. And the blades on my KF4 Juice are more than adequate for about 99.9% of the cutting I do everyday anyway.
But needless to say, I carry both <img src="/images/graemlins/grin.gif" alt="" />
Regards, Vince