Nah, fantasy is luck.
Your team proves it. You have the highest scoring but won 2 games. Injuries to anybody on any team can affect how a player plays. Refs and coaches making bad calls can affect how a player gets points.
Hell, look at Bot, he's in third place and he wasn't even at the draft. Basically, pay attention to who plays and not and generally your pretty good because in the end, its basically luck if you do well or not.