With everyone raising a fuss about carbon suits and if they work or not, then what about scent killer sprays, cover scents, scent killing soap, and all that? Are they just gimmicks such as carbon suits? How well do they work?
I think all of this is just a matter of personal preference. Apparently the carbon suits work to some degree or you would not hear stories of people having deer downwind of them and acting like nothing is wrong.

If it gives a person confidence then so be it. And if a person has the money to spend on it then let them. I'm sure they can kill a big deer and someone who doesn't wear one can to. Alot of it is just being in the right place at the right time.