It has had a calamitous effect on converted peoples. To be converted you have to destroy your past, destroy your history. You have to stamp on it, you have to say 'my ancestral culture does not exist, it doesn't matter'.
All thoughts create thought-forms. When you think about anything, an electrical impulse is released. Its charge gathers into a form that appears clairvoyantly like a soap bubble. The thought-form creates, manifests, and attracts that which is similar to it.