There is always an exception to the rule — if you are knowingly taking those prices so you can do a quick turnaround and make money ASAP and that is what you need, then of course that makes sense.
When I say to “never” do it, I mean more “when at all possible.” If it’s an immediate need, I would NEVER judge someone for doing what they need to do. This article was more about an overall strategy to being a freelancer.
And good for you for knowing when and what is best for YOU — the most important thing!