The regression series has been... somewhat less than optimistic. As a commenter put it last week, the Seattle Seahawks lived on the positive side of variance in 2018. Your tl;dr is exactly that: 2019 might have some unpleasant luck-related surprises. And not of the Andrew variety. He is so pleasant.
Not everything went exceptionally right for the Seahawks last year. Only fumbles, first downs via penalty, Tyler Lockett’s performance, and now red zone possessions. Opponent kicking too. Only that. No more. (Okay there’s more. John Gilbert took a stab at some Russell Wilson stuff too, but what does that guy know, besides everything.