If a person were fooled into believing they received answers to prayers when they did not, how would they know? How would you know? How would anyone know?
What is preventing Satan for pretending he is God and responding to them?
I cannot say that you are not correct, but you have no way to demonstrate that you are. However, I can view lots of evidence and use simple reasoning to dismiss your claims.
If you are correct, then I can trust nothing. Not even you. If you are incorrect, nothing changes for me.