OH Good Grief! It's a fictional book about imaginary, invisible, magical characters. There is far more physical evidence for Santa Claus, another fictional character. Children start to realize they are fictional characters by the time they are 6 or 7 years old.
What if Eleanor Roosevelt had wings? -- Monty Python
One important characteristic of a theory is that is has survived repeated attempts to falsify it. Contrary to your understanding, all available evidence confirms it. --Subbie
If evolution is shown to be false, it will be at the hands of things that are true, not made up. --percy
The reason that we have the scientific method is because common sense isn't reliable. -- Taq