your view summarize it all.. Facts are that with the very low numbers of hours that bizjets are genrally flying, odds to encounter a very serious incident is low. However, when it arise, issue is quite often fatal.
What is missing the most in GA environment is a solid foundation on "why do i have to do it" eg Philosophy of the procedure. Asaf Degani wrote a very good study on the 4 P's of a checklist, and i can only urge anyone to read this study before committing himself (or herself) into a difficult corner of understanding the logic of the sop's.