The spiritual world is just as real as the physical world we inhabit and is also governed by laws just as reliable and consistent as those that govern the physical world.
Denying that they don’t exist doesn’t doesn’t free anyone from the consequences of breaking those laws and doesn’t make it untrue.
One does have to wonder, though, if you don’t believe these things are real; why you are on this thread about spiritual things, making statements about things that you know nothing about.
Why, on a good day I am so spiritual that I even get flammable, and have to take precautions. Since I have not yet combusted, I would claim quite a spiritual experience.