What makes it so good is its truth, that being that people today are too darned spoiled. They take today's technology for granted, either forgetting or being too young to have ever experienced what it was like before cell phones, ATMs, the Internet, and cheap airline fares.
I know I'm dating myself here, but I remember doing all the things he talks about in regards to how everyone used to do things. Of them all, dialing the phone was probably the most annoying. And back then we did actually dial the number, not like now where all we have to do is punch some buttons or, if your phone is fancy enough, merely say “Call Mom” and the phone automatically calls your mom.
(H/T Maggie's Farm)