At this point I would just eliminate the kickoff and have teams start at the 25. Unless they want to onside kick, in which case adopt the XFL rule.
In 2022 (did not see stats for 2023), 60% of kickoffs were touchbacks. Some of those that weren't, were intentionally short of the end zone with the hope of tackling the returner inside the 25. But then the NFL legislated against that, with the new fair catch rule
My guess is that in 2023, only about a quarter of kickoffs were returned. It has evolved into a very boring play and a waste of time.
I think its been a mistake to blame the play.
I used to be a wedge breaker - KOs are very adjustable as you're in them
You have space, time and vision to adjust approach.
A QB being blind sided, an OL being rolled-up by his own guys, a WR getting blasted over the middle - those plays are hard to control. I would go down the field on a kick-off before I would go across the middle.
I know RU has a horror KO play but that problem there was technique and EL has said so
"I've thought of that story often over the past year. On October 16, 2010, I was a junior playing special teams for Rutgers during a mid-season game against Army. We were playing at Giants Stadium in East Rutherford, N.J., not far from our campus. With the game tied at 17 and about five minutes left in the fourth quarter, I ran downfield after a kickoff and collided with the returner, Malcolm Brown. I hit him pretty good -- I learned later that he broke his collarbone on the play. But I tucked my head."
I don't know it he forgot or if he was never taught well-enough, but putting head-down it the biggest mistake in football. I saw the replay during game and just cursed what I saw. I always thought it was a mistake for Schiano to blame the play. Dennis Byrd got hurt the same was - head down. Utley landed on his head blocking for a pass.
The two biggest weaknesses for a football player are knees only bending one way and necks having no compression strength. Its not any one play thats a problem