They are excluded precisely because they are being treated differently.
Once again, in order to discuss the mechanics of the sign of peace, we will get nowhere until posters can understand what the ritual moment is all about. This is like discussing how to receive communion (and no, I do not mean tongue vs. hand), but having no understanding that It is the Body of Christ.
Before discussing the mechanics, the entire discussion itself has to be rooted in an understanding of what this ritual/liturgical moment actually means. And as I keep saying, that is the part that keeps getting ignored.
The mechanics are secondary–that much is obvious by the fact that the gesture is not universal, but depends upon local culture. This is why Rome leaves the method to be determined by the conference of bishops of each country. But at the same time, discussing the mechanics from the point-of-view of misunderstanding what the sign of peace means only makes these posts go 'round and 'round in circles.
Discussing the sign of peace from the perspective of “this is how I behave with my family” versus “this is how I behave with mere aquaintances or strangers” misses the point entirely; even worse than missing the point, it actively misdirects the conversation away from the real issue.
I think you’ve hit the nail square on the head with this post. The emphasis should be on UNITY, not so much on the actual ways that unity is expressed. We are celebrating together. We’re at the Lord’s Supper! All of us! Even that 97 year old widower sitting two rows away, who keeps to himself. Even if I take his hand and he makes no noticeable reply, it is still very important that he be aware that he is loved and is part of the group of people who are celebrating the Last Supper.
Mass is a celebration of the sacrifice Jesus made and a sharing of His Body and Blood. Everyone in the church is part of the wonderful partaking of the gift Jesus gave us. Everyone. Even me. Even that elderly man.
The Sign of Peace seems to have changed from a Sign of Peace (which indicates unity) to a celebration of the family, so there are little pockets of people all over the church who are celebrating peace, but only within their own cliques. I don’t see much in the way of reaching out to those who really need interaction with other people; who really need to be made part of this unity. One could easily say that is those peoples’ own problem, but I don’t agree. If we are to act as Jesus would, we should remember:
Then he shall answer them, saying: Amen I say to you, as long as you did it not to one of these least, neither did you do it to me. [Matthew 25:45, Douay-Rheims Bible]
Every single time a person is ignored, Jesus is ignored. Every time a person doesn’t take the time to hold out a hand in peace, friendship, and unity, Jesus has been excluded. To have that happen in His Church, during His Mass, is horrible. I know some people don’t take this whole Sign of Peace thing seriously but I take every part of the Mass with complete seriousness. It is very important that everyone be included. If someone holds out their hand in peace and their action is refused, that is sad but I know it happens. But at least the gesture was made and the prayer for unity and peace has been made. I’m fairly certain that the person to whom the gesture was made understands what has happened. I’m absolutely positive that God understands.