Well then what would you consider to be a confirmed supernatural phenomenon? Meaning it happened, but we don't know why. What then gives you the right to call it supernatural just because we can't yet explain it? This is the conundrum that should actually lead many to realize that there's really no such thing as a supernatural phenomenon, rather they're all just natural phenomena that can't yet be explained.
Also, becoming an atheist after being a theist is know as deconversion, not conversion, as that would denote gaining or switching beliefs. Since all atheists do is disbelieve, saying that one converts to atheism is not aptly put.
Also, becoming an atheist after being a theist is know as deconversion, not conversion, as that would denote gaining or switching beliefs. Since all atheists do is disbelieve, saying that one converts to atheism is not aptly put.