It is a list of quotes from people who have in fact built such "widely-used solutions". How is that being a "web contrarian"? Do you really think Rob Pike has

It is a list of quotes from people who have in fact built such "widely-used solutions". How is that being a "web contrarian"? Do you really think Rob Pike has never written any code? How did go happen then? You don't think Carmack has maybe a little bit of experience with large, complex software projects?