The post compares it with the enthusiasm about the iPhone as a platform in 2007. A lot of the long hanging fruit has already been done since then, so it takes

The post compares it with the enthusiasm about the iPhone as a platform in 2007. A lot of the long hanging fruit has already been done since then, so it takes more effort to get kicks out of shipping an app that people use. Learning a new tool like a programming language is an easier way to get such kicks.