I used to have a football coach who would line up and whack kids. He almost killed us every practice, but we always won, and we respected him, because we feared him. I also had a coach who was more of a Zen master, but understood every strategic move known to man. He never made someone feel lower then how they should feel on their own, and we never lost under him either.
Its a sad comparison, but as close as some can get without going to war. One thing I did notice was that with the team with the tempered coach, we may have won, but we had a lot of unchecked aggression and lots of penalties that could have cost more then one game. As for the other team, it was always smooth, always a blow out, and always ended with the utmost respect for the other team. Not only that, but I feel I learned a lot more from a calm strategy, then "tough love", because tough love is already a given in life, and using tough love to overcome anything is easier to find then finding a level head.