I don't know about pretend. It's probably just the definition of the word that allows them to think it...<quoted text>
Is it ego that allows you to pretend its a myth?
Or is it lack of intelligence?
1. a traditional or legendary story, usually concerning some being or hero or event, with or without a determinable basis of fact or a natural explanation, especially one that is concerned with deities or demigods and explains some practice, rite, or phenomenon of nature.