This guy nails it.
He tells you why you should not just "try" it. You should join it and work hard at it instead of be being like all the negative people out there that "try" things instead of putting in any effort to be successful.
This way, your conclusion won't be like theirs: Oh this doesn't work, it's a scam, wow it's one of those pyramid type things, I knew it was too good to be true... and so many other excuses for THEIR failure.