@Edward Caissie - @John Myrstad - That's a good point, quality content could be used in many ways, so I guess the handbooks could contribute to the improvement of the Codex in that sense.

@Edward Caissie - Yeah, confidence is hugely important. That's why I have devoted so much time to learning WordPress, I trust that the developers and the community will continue to thrive and make improvements. Who wants to spend time learning a dead language so to speak?