1: Extraordinary claims require extraordinary proof. If it does what it says, you should have no problem with this.
2: What proof will you accept that you are wrong? You ask us to change our mind, but we cannot change yours?
3: It is not our responsibility to disprove your claims, but rather your responsibility to prove them.
4. Personal testamonials are not proof.

What part of ‘meow’ don’t you understand?

“If any man wish to write in a clear style, let him be first clear in his thoughts.”