Carl on Illegal Hits

I am pretty sick of hearing about these hits.  That is all any of the sports talk shows I listened to this week talked about.  I don't want to see anyone get hurt, but how the hell are you going to control 200 lb guys running at almost 20 mph and trying to slam their body into another 20 mph moving object?  "Uh, hey guys, please angle your head so you do not hit each other with your helmets.  Umm, thanks."