Sounds like you’re underrating the KC defense to me. Validating my point really.  
  
We’ll see what happens on Sunday i guess, but I’ve been impressed with KC’s defense this year.  Their secondary is excellent. Their DBs have been solid & the safeties are hard hitters. They’ve also played pretty clean, and don’t seem to give up a lot of penalty yards. 
Weird you talk SOS allegedly being weak for KC (BAL’s only bad game, btw) yet you can’t dismiss HOU as being “a turd” without acknowledging that they had the toughest 3-game start to the season. Their offense looked a heck of a lot better week 4 than weeks 1-3. So SOS matters for the Chiefs but not the Texans if it helps you make a point?  
 
And outside of game 1, Jacobs hasn’t been awesome. As you mentioned, he should run all over KC. If he doesn’t maybe that’ll say something about the Raiders/Jacobs. 
The Chiefs biggest defensive weakness is against the run, but that doesn’t usually bite them because of the game scripts they generate. They have a stout secondary so if a team can’t run run run, they’re gonna be playing from behind in a hurry. 
As for the Pats without Cam, teams play the team on the schedule that week. NEP’s defense was still tough. It wasn’t a cakewalk. And they did what you expect a good defense to do against Hoyer & Stidham - they had what, 5-6 Ints? You can’t say NE *almost* threw a bunch of TDs against them so they aren’t that good defensively. That’s magical thinking. 
I hope the Raiders win this week. I’m not betting on it.