It is interesting to see the various categories of reactions/objections, which point in different or conflicting directions. 1) The theory that this change red

It is interesting to see the various categories of reactions/objections, which point in different or conflicting directions. 1) The theory that this change reduces overall injury rate is true, therefore this is a good change. 2) The theory is false because of some mistake, or intentionally false, therefor this is a bad change. 3) The theory is true, but nonetheless this is a bad change because there are other factors more important than the injury rate.