This post is spot on and applies to more companies than you can imagine. Reading Hacker News gives you a really skewed view of how things work and how people think in the software business.
I completely agree. Even late stage startup will begin to look more like what the blogger has described. The blogger should gain some exp and move on to a small/early stage startup or find a way to move in to R&D role within Microsoft -- these positions normally offer more freedom and greefields.