Clients of mine get used to receiving task lists after sessions and meetings, especially after we've made some big plans. It's not about being a control freak, it's about change, about time management and getting things done. I am a big fan of Harvard guru Rosabeth Moss Kanter who says: "Steady progress — step by single step — can win internal support and the external race for share of market or share of mind." Go Rosabeth. Breaking down strategy into tasks allows for bursts of activity (and progress). Take a look at her lovely piece on "The 15-minute competitive advantage"
For those who want to go a bit crazy on time management, the late Carnegie Mellon prof Randy Pausch really nails it in this lecture. Take the time, it's worth it, I promise.