The broader approach matters if you already have got the basics covered, but sadly it seems that most people don't have the basics covered at all. Most of the hacks I read about are impressive not because of their ingenuity, but because of how depressingly mundane they are. SQL injection hacks are still commonplace.

So, no, let's keep raising awareness of the basics until finally everyone gets it. Then, once the OWASP top ten is filled with MITM, timing and social engineering attacks, that's when we can move on to the broader approach.