Why, if it's demonstrably real, is there a need to believe in it? I feel no need to believe in ham sandwiches for instance.
And if it's not evil, what benefit is there to be derived from believing in it?
I will say, categorically and for the record, I believe ham sandwiches exist. Comes down to what you mean when you use the word believe, and I think we are using it to mean very different things.