Why is a modern economy at odds with a deeply religious populace? Wouldn't that depend on the religion? A completely Mormon world would still believe the earth

Why is a modern economy at odds with a deeply religious populace? Wouldn't that depend on the religion? A completely Mormon world would still believe the earth is round, enabling GPS and intercontinental travel. Bad for alcoholic beverage sales, but are those part of the definition of a modern economy? They, for example, are a little less about the theology and more about the (rather intrusively) tight-knit community. Coming from an atheist here.