I've done waterfall, I've done Agile and I've done a couple of forms of "let the devs do whatever they want because they're really smart and only managers are

I've done waterfall, I've done Agile and I've done a couple of forms of "let the devs do whatever they want because they're really smart and only managers are crappy" I rank them as 1) Agile 2) Waterfall 3) Whatever it is this guy wants.