It's kind of a bummer to see so many comments going straight for the judgmental angle. I think you will be happier as a person if you try to take on a more curiosity driven mindset. There are a bunch of pros to eating like this, and there are a bunch of cons.

It would be equally silly to have a thread about long Spanish lunches, socializing, and siestas being filled with comments about how it's a "waste of time".