Many years ago, mainly on public land, I carried rattlin' bags and rattlin' antlers, and used them. Never did I have a deer come by that I thought was due to rattling. So I quit carrying them.
Four years ago bow hunting on private land in South Dakota, the landowner told me to hunt from the ground, and rattling was effective. Having never bow-hunted from the ground, I thought he was crazy. But I tried it, and it worked! Sometimes I would rattle and multiple deer would come in looking within a few minutes.
A big difference in that SD ranch and TN is on average, in TN, a good day would be seeing 3-4 deer. On that SD ranch, I saw 25+ deer a day that were close enough to warrant caution. What I mean by that is they may not have been within bow range, but they were close enough I would worry about spooking them, say 75 yards. Many within 30 yards. And that's not counting the 50 deer I would see in the alfalfa field from 400 yards away.
On public land in Iowa, I've heard rattling while I had deer in sight and the best thing to happen is deer pay no attention it. Most of the time, they run or just drop down to hide.