I think it's because we play more aggressive vs SEA. SF has better offensive weapons at every position except RB, and even there they're both still very much elite.
( totally off-topic observation... after looking at the box scores from our 4 games vs SF/SEA, we ran the ball 2/3 of the time in our one win and passed 2/3 f the time in our 3 losses)
Yeah if you can't run on Seattle your offense is dead in the water. Ask Denver.
Rams discovered that in our 2nd meeting last season in week 17 when they zeroed in on Z.Stacy, got extra physical vs our makeshift OLine and let Kellen Clemens do whatever he wanted...and of course he could do nothing because he's Kellen Clemens.
IMO you've got to attack Wilson with a lot of pressure and blitzing. He will start to rush things, try to hang in the pocket longer(strangely) and make bad throws on plays if he's constantly harassed.
Kap is a tough matchup, but if you can get a lead, get them in obvious passing downs and disguise coverages he'll make mistakes because he can't make all the throws that other NFCW QB's can.