I got you.
"He wasn't impressed with the number of .38 Special rounds it took to drop big Tom Salter."
Hell, I've got a two shot derringer in .22 magnum that will drop anyone from ten feet, if they aren't coked up.
As for the owner of the jewelry shop, I couldn't figure out the Rossi's myself. If you are going so far as to get ten snub nosed five shots, you may as well pay the piper and get ten 1911 .45's and two clips. The 870 Remington was an excellent choice. :)
I think the idea was since the guns would be available to multiple employees with various levels of gun proficiency, simple was better. Hard to screw up a point-and-shoot wheel gun.
The article stated the owner wanted a simple point and click weapon that any of his people could get into play quickly. I agree with his thinking.