I have not used it, but rest assured it is hype.
Nothing makes deer "go crazy", other than a female deer in estrus. And even reproducing that effect with various scents is no guarantee it will bring a deer in.
If you can bait, save your money and buy a 50 pound sack of corn. It will be better spent.
If it sounds like it is too good to be true, it probably is.
“There are two spiritual dangers in not owning a farm. One is the danger of supposing that breakfast comes from the grocery, and the other that heat comes from the furnace.”