Well, sure. But the point is that it's not new. Gluttony is mentioned in bronze age texts. You don't make something one of the "seven deadly sins" because people aren't doing it.
But it's a significantly bigger problem today, so people are trying to point out things that have changed after the invention of writing.
But it's a significantly bigger problem today, so people are trying to point out things that have changed after the invention of writing.