But tedster, what may have been relevant yesterday will change tomorrow. Think of it like this; Google's algorithm is a perpetual work-in-progress and as webmasters, developers, content writers or what-have-you, we are playing a game of tag with them. Google can always be bested because you don't have to beat Google you only have to beat the first place result that their algorithm is in luv with. Google is only as good (or as bad) as what we challenge them with. It's fun, it's challenging, it's mind games.
I'll go so far as to say that the game of tag is played out in such a way that when someone comes along with a page that raises the high water mark and the engineers can't figure out what you've done to best them -- they will manually suppress your page until their engineers can reverse engineer your efforts and then say -- tag you're it and then let your site out of jail. No I cannot prove it, but my keen observations over a few years says it's not too far off the mark.
That statement should stir up a hornet's nest of controversy, but hopefully a healthy debate.