Hey atlasman, YES, those companies do ask you to believe in their products. They can list all the studies they want. You read all the data you want. And you can listen to all of the first hand accounts that you want but if you don't believe the studies, data, and accounts than you still won't buy their products.
Also, why do you expect us to believeyour, and others "experience," and then bash us for believingthe actual field experience of those that say that the suits work. Call me crazy but if I talk to people who have 10, 20,or 30+ years hunting and they tell me that they see more deer and spook fewer of them, I am going to believe it because they have been there and done that.
So yes, no matter what the evidence for or against, you do have to believe in something to buy it, and please stop bashing people who trust and rely on the experience of others who have spent countless hours in the woods "testing" products. If it helps me kill a deer, it passes my test.