Seriously though, you've basically outlined the only reasonable way to go about it. The problem is really that that's a lot of fucking work you're opting into with 3 little sentences, and after all that, you actually end up with a non-repeatable process, which is not really ideal. I'm still highly skeptical that it's not biased toward people without families, either.

But my real issue here is that at least 75-80% of companies that do this crap obviously don't implement any of that stuff, and most of the rest don't do all 3. You really need all 3 in order to maintain any integrity to the process, and that's, unfortunately, one of the strengths of whiteboard hazing from the employer side. I know I'm never doing another 2+ hour take-home again, and the fact that employers generally don't do any of that stuff are more or less my reasons.