Do Drew Brees, Aaron Rodgers, and Peyton Manning also get this theoretical awesome defense every year?
The irony of this post is you are knocking the team for its strategy in the salary cap era, which is the very reason why they are so successful. If the salary cap didn't exist, they would not be this successful and probably not even close. I've been pretty critical about their recent drafts and trades, but to question the strategy of where they allot their money seems crazy. If you look closely, they spend a lot of their money on guys that will excel in the red zone with the theory that offenses are going to get their yardage, so limiting the damage is the most cost effective way to stop this, rather than trying to build an expensive but unsustainable long-term solution like the Seahawks. Also, they gave top end deals to McCourty, Gilmore, and Hightower, so I don't see where the criticism is here considering those are secondary/linebacker players. I do agree their last 3-4 drafts appear to be really putrid, though we don't have a lot to go on yet for 2018. There is a talent problem that will soon become more apparent if they don't hit a few big drafts like early on in this decade.
