Seattle had by far the best running game in the NFL, by far, which makes being the QB a whole lot easier
Seattle was 30th in passing offense, as in one of the worst in the league
The QB, Wilson, was a huge part of the "running game". Huge. Close to 1000 yards.
Seattle's passing offense had more yardage per game than its running offense by a wide margin.
The reason they had one of the lowest totals in passing yards/game of teams in the NFL is
that they didn't pass as much as other teams.
Teams that get behind a lot & lose a lot have to pass to try to catch up. They get a lot of easy
passing yards on opponents D's that are playing them soft at the end of games. That obviously
doesn't apply to Seattle.