This is not a listicle.
This is the earnest design philosophy of one of the most influential designers of our time. A philosophy which can be found in most tech products today (Apple has literally ripped off many of his designs).
If you create software or hardware products, ignore these at your own peril. HN users, perennially frustrated by superior technological solutions losing out to simpler sexier ones, could learn a thing from #3: Good design is aesthetic.