I'm not saying the defense has been perfect, or that they can't be better. But the defense is 9th in SP+, 18th in FEI, and 22nd in PPG allowed. The PPG ranking jumps all the way up to 9th if you throw out Indiana as an outlier, which isn't fair but also when you give up almost 1/3rd of your points in one game something was a little off. Regardless of how much we blitz, as of a little over a week ago we had the second highest pressure rate of anyone.
This is a top-25 defense, and depending on what numbers you like it's better than that. We absolutely need to turn more pressures into sacks (slightly below average there) and force more turnovers. But if we're just defining "aggressive" as blitzing and pressing, I don't think that's going to make much of a difference. We have to hit diminishing returns at some point with the pressure rate, and blitzing opens up more holes for quick throws. Press can help the pressure turn into sacks, but isn't likely to help with INTs and has a greater chance of giving up a big play.