As long as there's no empirical data on recruitment, these "we think our process works well, here's how we do it" blog posts are not of much value. One problem

As long as there's no empirical data on recruitment, these "we think our process works well, here's how we do it" blog posts are not of much value. One problem with step 3 is that it filters out engineers who are busy with their jobs and life, and cannot easily afford doing 20h extra work (even if it's paid work). Especially if compensation etc. are not negotiated beforehand.