For because of this you also pay taxes, for they are God's ministers attending continually to this very thing. Therefore, submit yourselves to every ordinance of man for the Lord's sake, whether to the king as supreme, or to governors, or to those who are sent by him for the punishment of evildoers and for the praise of those who do good. Honor all people. Love the brotherhood. Utilitarian ethics are not biblical.
Deontological ethics are biblical.
Whether or not our actions change society or cause people to commit to God, they are good actions in themselves.