Yes, the more we codify what we consider to be standard practice the better. None of your written recommendations are controversial and better-written packages already follow (or mostly follow) them.
It would be really great if someone knowledgable would take the time to collect all our "best practices" scattered docs (like Jun's initial effort, the portions of our old porting guide that are still relevant, form building docs, CR docs, etc) into one easy-to-find place ...
