Why do we run so many bay dogs?

We normally run 5-7 cur dogs on the ground and usually just one CD, sometimes 2 if we hunt more cur dogs! We normally catch most hogs with just our cur dogs. And our main reason For the 2nd CD is if we split up and go to seperate bays.. I can count on one hand the times we've purposely sent 2 cd's dogs in, I agree in the sense that one 50# cd is enough.. Our cur dogs are rough but not pshycho they'll sit back and bay a bad hog even if they're all there .. It does lead to more staples and cut dogs but IMO more hogs.. To each his own!