I’m talking about overall. The Super Bowl is for the two best teams in the league. Plus, defensive/special teams scores doesn’t always equal good defense. Look at the total yards from those games. Kurt Warner lit up the Steelers, 5 losing teams scored 24 points, Even Atlanta had a defensive score. Obviously they didn’t have a good defense.
Wait I thought your issue was points, though? You can give up yards up the wazoo and it won't make a difference if James Harrison or Tracy Porter gets a pick 6 and puts the game out of reach.
The games you listed, offensively hover around 24ish points, and I don't think that's above normal in the NFL. It's pretty much standard in every game for the last couple decades. It's skewed a bit, yes because of defensive scores. I.E. Broncos vs. Panthers, when the offense only scored 17 points, with the one defensive score by Von Miller (I think it was him who recovered). As for the rest, those defenses were all pretty good, and you're right Atlanta's wasn't good. Except they were for 3.5 quarters, allowing 3 points. Just needed one stop at some point, instead it was NE getting the sacks and TOs.
Last night was an exception when both teams were really bad on both side of the ball.