Fatima is an accepted apparition by the church. Thousands seen the sun dance and prophecy by Lucia came true. These are used to discern true apparitions.
In fact, Pope John Paul II thanked Our Lady of Fatima for saving his life when he was shot. He bowed when he saw her in the crowd just as the shot was fired. His position saved his life. Our Lady of Fatima, in my eyes is real, very real.
Interesting about John Paul II bowing to Our Lady of Fatima as the shots were fired at him and it saved his life. I was unaware of that.
I gather you haven’t examined the evidence.
Or, you haven’t sufficient knowledge of such phenomena with which to compare.
Or, bias is blinding.
Millennially long deceptions from hell can be very polished, indeed. I believe Fatima is but one puzzle piece of such deceptions . . . a major puzzle piece in some respects, perhaps . . . but just one of many.
Lots of things are counterfeited in our era . . . and many more are about to be.