Football is a team sport. While this is true, there are also multiple things that ring true simultaneously. One of them is that the quarterback position is a bit (putting it lightly) more important than the rest.
A few years ago Mike McCarthy had what I thought was a great quote. It was two summers ago to be specific and he referenced the old adage that defense wins championships, but he added a qualifier.
“Defense wins championships, but the Super Bowl is won by the quarterback.”
It is hard to argue with this logic based on most of NFL history.