I'm not saying we need to focus on each individual keyword in order to rank, far from it - SEOs and webmasters need to stop looking at individual keywords and look at the bigger picture and rank for 100's or 1000's of keywords that will naturally occur from expanding a site's content. As far as strategising, it's not that i've ignored it as such - it's just it would make for a good follow up blog of it's own! :-)
Your right in what you say, you need a focused strategy based around content creation to rank for long tail variations of head terms and indeed, it's not practical to consider each term individually - and you shouldn't. Good (quality & relevant) content creation will lead to the ranking of more long tail high converting keywords. Thanks for comenting!