No more ambush, new rule forces teams to let the other team know they are doing an onside kick

NGL, I hear all the time that there are tons of injuries on kickoffs, making changes like this necessary, but I honestly can’t even think of any offhand, and let’s just say I’ve watched a ton of football in my life. 😂

Why am I not seeing them?
Have you ever seen the phantom holding calls that we get flagged for on any 4th down and forever? I haven't seen any, so I doubt that you would have seen tons of injuries.