For the Lakers, it was a breath of fresh air to see them having this kind of chemistry in the game. Of course all credit should be given to JJ Reddick as it seems he had that talent to really lead and coach the Lakers and most likely players believing in their new system.
That’s very evident from the last three games they’ve won. What I like about them now is that when they're down, they don’t give up easily. And when they're up and the opponent makes a big run, they don’t just crumble. This shows they have the composure to win and trust each other. Davis has been a significant factor, and their current play is really benefiting him. Not to mention, their defense has improved tremendously as well.
While JJ Reddick isn't a great "coach" in the sense that he may not be awesome when it comes to coaching exactly, like not drawing up plays type of amazingness, there are few things about him that makes him much better than Darvin Ham without a doubt. What are those? Well first of all he is younger, which means he has easier time relating to younger players, so he is going to end up having much better communication without a doubt.
Plus, he is Lebrons close friend, and Lebron has always been a pure leader, meaning that if Lebron is respecting and caring about what JJ says, then the entire team will shut up and listen, or you would be traded next day. Also, JJ likes a style of basketball that is more fluent and based on motion, which works for this team better than just giving the ball to Lebron and expect him to do something.
All these combined, he is getting better results but also lets remember this is VERY early into the season, they have 75+ more games to play, so anything could happen, maybe they started this good but will end up terrible, we can't possibly know that.