They're not going to lie, thats illegal. If they state it in the article, they did it and found that it actually works.
Why are you gonna give him shyt for posting information? I dont understand WHY people do that. If it's bull and a waste of time, why do you bother replying to the post saying that it is a waste of time? That is a little redundant and hypocritical of you, not to mention assholish.