From the outside, it really looks as simple as finding schemes that put players with talent in position to succeed. Every player in the NFL is talented in some way - yes, even Justin Gilbert - but if you ask them to do things they're not good at they'll fail. If you ask them to play to their strengths and find ways to disguise that, they'll do well.
Like how Sheard went from 2 sacks a year ago here, to 8 in NE. Like how Dion Lewis went from 'that guy who looks decent in preseason' to 'best pass catching back in the league' in NE. And how 'generic skill play 173' became a superstar there.
Right. I subscribe 100% what you say.