[xyzzyz]

This is the standard model used in education, military, and industry. Millions of people go through processes designed according to this model every year, and probably tens of thousands of scientific papers have been written in context of this model. Your complaints are mostly utterly false (eg. “technical interviews are about as accurate as flipping a coin“ is in contrary of the established consensus in literature, and so is “ Performance on the interview has little to no predictive value for future job performance“).

If this was indeed a shitty model, it would have been pointed out to grandparent when he brought it up, but since this model is commonly used and extremely useful, what he got instead was silencing and penalizing through anonymous back door channels.