He wants to make that case that software development is a more pedestrian affair than it might seem, without much of an argument. But it's not true.
Even a small shop needs to live up to pretty much a global standard, not least in terms of security. In the EU you must engineer with a security perspective in mind. The field is constantly moving. People come and go faster than most other industries.
I think there's an analogy to getting a better bike: it doesn't get easier, you just go faster.