I'm not sure what Buck will say, but from trying it, it gives a little more "oomph" to the position. It may be necessary depending on the gauge wire he uses , but I'm not sure. I'm curious to his reasons...now that you mention it.
I'm sure the wire I use is unnecessarily thick and I could use florist wire, but I had this big roll (from landscaping...staking trees) and I thought, "Hmmm..."