The article does mention this but worth noting that riding two rocket ships back to back is not going to be a typical career experience for majority of people. So this doesn't strike me as a typical career growth story.
Not really convinced either way though. Much of this feels like backwards-facing advice, things that only make sense when you already know what you're doing, and very surface level.
The "tying it all together" section really demonstrates this.
The truth is, all the most valuable skills she's picked up are likely to have been implicit from being in an incredible environment in a company growing really fast around other great people. Very hard to distill that into useful information for other people unless you're very introspective and dedicate a lot of time to reflecting on what actually moved the needle.
Though in fairness, I think that >99% of people cannot articulate their growth path or process and strategy and they would not be believable even if they could, so in that regard, she is par for the course.
I've been on two failed rocket ships and I'm pretty mellow about it. Surviving that is also its own skill. You'll go crazy trying to pick winners and getting rich isn't why I got into this field anyway.
While I would quit and work on passion software, you always owe it to yourself to find time for passion work in your free time.