There's a gulf of difference between somebody that gets a cert to validate their knowledge and somebody that does so to get a piece of paper. The amount of people that fall into the latter category seems to dwarf those in the former as an industry has been built around prepping under-experienced people for these certifications in the hopes of advancing their career.
This is all to say that the sentiment expressed in this article is unfortunately largely correct. I've since let all of mine lapse because the employers I now work for value demonstrable technical acumen over something that somebody likely bulldozed their way through four years ago and requires $200 annually to renew.
Go look at all of Carmack's certifications, or Torvalds, etc.
Many networking engineers need a Cisco cert to get started. Same with a lot of security analysts.
If you’re working in Defense you’ll need to get a cert(s) at some point.
Way back being Microsoft certified was all the rage. I was catering at the time near a Microsoft training office and they were a very good customer. The rooms didn’t have a single seat and people were flying in to take them. This was 15 years ago.
(also - job churn, and/or they may be slightly less autodidactic)