I think everyone's covered all the points I was going to make... but I'll make them anyway! Here are the issues in order of importance:
1. Puck handling adjustment - Marty starts the rush going the other way which has an impact on the offence. I feel like there's been some confusion with Cory and the defencemen as to is supposed to do what. It's led to a goal against early in the season and the team being pinned in their own end. Last night this was not an issue that I noticed so hopefully it's getting better.
2. Opponents - Pittsburgh, Vancouver twice, Toronto, LA twice... Those are good teams offensively and defensively.
3. Team gripping their sticks - After it became a trend I think the team wanted to score too much and were gripping their sticks.
4. Luck - As a lot of people mentioned, luck has no doubt played a factor.