Whether it belongs to the human law to repress all vices?

Objections

Objection 1 : It would seem that it belongs to human law to repress all vices. For Isidore says (Etym. v, 20) that "laws were made in order that, in fear thereof, man's audacity might be held in check." But it would not be held in check sufficiently, unless all evils were repressed by law. Therefore human laws should repress all evils.
Objection 2 : Further, the intention of the lawgiver is to make the citizens virtuous. But a man cannot be virtuous unless he forbear from all kinds of vice. Therefore it belongs to human law to repress all vices.
Objection 3 : Further, human law is derived from the natural law, as stated above (Question [95], Article [2]). But all vices are contrary to the law of nature. Therefore human law should repress all vices.