It really depends. In the USA, the biggest benefit is that you can set your bags down and go to the can without worrying they are going to get stolen or carted

It really depends. In the USA, the biggest benefit is that you can set your bags down and go to the can without worrying they are going to get stolen or carted off by bomb disposal. Also, you get free WiFi. In other countries, airports tend to be more spartan, and the lounges nicer. Many of the Asian carriers offer sushi, noodle bars, top-shelf drinks, and showers.