I believe there is always a great blessing in making peace with all people.
Whenever we get into conflicts, whenever we have arguments and disputes, our anger and pride set in and it takes away our peace. Holding a resentment and a grudge is like falling on our own sword - ultimately it causes us more damage than it does to the other person.
There is one person who, when I was a young child, severely abused me and made my life a living hell. It is thanks to God's love and grace, that I have been healed of all anger and bitterness. He has rightly served the sentence for his crime. If I ever met him in the street, I would reach out to him by the hand and tell him he is forgiven.
We may not always agree with the actions of others. We may even feel angry and hurt by them - and feel perfectly justified. But when we acknowledge our own wrongs, and are willing to forgive others and, as far as practicable, extend the hand of friendship to them, then we will experience blessing.