Well, if they picked a policy that is very good, and the degree to which it falls short of the exact correct policy is small enough that the possibility of impr

Well, if they picked a policy that is very good, and the degree to which it falls short of the exact correct policy is small enough that the possibility of improving it doesn't outweigh the risks of it being changed for the worse, then the policy being unchanging could be a genuine advantage over other alternatives that aren't unchanging. Right?