For starters, the article is mistitled. A more accurate one would be "10 opinions About Working at a Startup vs. a Big Company". Although "platitudes" might be even more accurate than "opinions".
But there's one thing in particular that annoys me here:
And by the way, if you’re a good engineer you’ll have zero issue finding another job. Zero.
You'all have zero issues finding a new job if you're a good interviewee, but not necessarily if you're a good engineer. I know lots of people (myself included) who are at least decent engineers but terrible interviewees.