At the cost of an additional processing step to scramble the keys. The balance between safeguarding ignorant or overactive programmers against the performance o

At the cost of an additional processing step to scramble the keys. The balance between safeguarding ignorant or overactive programmers against the performance of a critical builtin type is not going to tip in that direction. The whole reason we can even have this discussion is because a new algorithm was developed to give us the increased performance in the first place.