However, whether it is pyramid selling or not depends on its sales and commission method, not anything else.

Things that have a long history can also be pyramid schemes. It won't last as long as Amway Tiens, will it? Amway Tiens are all pyramid schemes.

Effective things can also be pyramid schemes. MLM is just a way to make money. MLM products are not necessarily fakes. Some of them are not fake, but the quality is quite good.