You misunderstand the scientific method or at least you sound like you do.
No one can ever prove a theory right. All that can be done is to prove it wrong.
That's called "falsifying the theory" A theory is ONLY a theory if it CAN be falsified. Everything else is fantasy.
The point I was trying to make is that in order to make is that people should avoid based their believes in ideologies and challenge them selves with different points of view, but I must admit that my text sound confusing. Thank you for your feed back.