No. He starts off by conceding the point, basically. The title is "Code: It's Trivial." So assume that you can write all of the code for Stack Overflow in a weekend. He lists 13 things that his team spends time on that are not writing code (at least not in the sense of adding new features or fixing already reported bugs).

His point is that writing code is a relatively small part of even a software business. An important part, but no more important than many other things that must be done for a business to succeed.