System A optimizes for min(p(hire|bad_candidate)). System B optimizes for max(p(hire|good_candidate)).
System A has resume screens, long lead times, and Leetcode out the wazoo. System B has a few convos, short lead times, and review of actual previous work product.
Horror stories come from great candidates in system A. This article is describing how to get into system B.
This clearly does work sometimes, but it's not necessarily the best advice for everyone.
Still, I think a lot of folks could benefit from thinking through "how do I get into system B?" - because those skills are tremendously helpful in System A, too.
A lot of hires, even in companies like this, happen more from conversations that resumes and job postings.
As a hiring lead, there are a small handful of people I know well that I would try to create a job for immediately if they emailed me they wanted to join. As an employee, many job's I've had started something like that.