The record when Kobe scores 30+ is misleading. When the lakers are behind, many times they really need Kobe's scoring. It also includes the stagnant offense when Mbrown was coach.
And when Meeks/artest are hitting threes, typically everyone else is shooting well too which leads to a win along with not needing Kobe to score. When they have off nights though, they need Kobe's production.