In the UK, many necessary life activities exclude people that don't use snoop-phones full of nonfree software. This article shows how common that is.

The author cannot envision the idea of choosing to reject snoop-phones as a matter of justice if you are capable of using one. But you can. Every one of the restrictive activities that excludes the old people that can't use a snoop-phone are likewise doing wrong to everyone that refuses to use them.

And doing wrong to each person that does contact them with a snoop-phone.