Like certain stuff looks simple in ie. golang, there's tons of opinionated design decision behind every nuance of the language. For some, simple would be more like Haskell, while for others bash (until they need to understand old code). Each eye of the beholder can argue either way.
So what is most simple? Compile linux kernel by hand, or automate it? Automation becomes "simpler" (more valuable) the more it is actually used.
The article talks about simplifying, though is more about discipline, something many find hard to find motivation and incentives for in this age of instant gratification!