Anger is a divinely implanted emotion. Closely allied to our instinct for right, it is designed to be used for constructive spiritual purposes. The person who cannot feel anger at evil is a person who lacks enthusiasm for good. If you cannot hate wrong, it's very questionable whether you really love righteousness.
Can there be a more lamentable picture than that of a Chancellor of the Exchequer seated on an empty chest by a pool of bottomless deficiency fishing for a budget?