well, it would be nice if they actually enforced the rules

already on the books. Offensive holding is out of control in the NFL (not as bad as in college). The Super Bowl was ridiculous, really for both teams. Meanwhile, defensive holding is called with impunity. It's made it hard to take serious. They need to enforce that rule and it needs to be consistent crew to crew.

The biggest problem with kickoffs is that it's just so dangerous and a very high percentage of injuries occur on the play. The juice isn't worth the squeeze for kicking teams to try and let them return the ball, either, as they may gain a few yards but realistically they're just setting up their guys for potential injury without much payoff. Hence, teams just get good kickers who can put the ball out of the end zone and it's become a non-play. Unlike other rules changes which (as you note) either make it way too easy for the offense or (more importantly for the owners) make the teams more money by adding in commercial breaks, I can respect them trying to adjust this play. Let's see how it ends up.