Earlier quoted context omitted.
Have you tried simply telling people you don't want to talk? "Sorry mate, I'm reading" is hardly difficult.
This is actually very difficult for a significant number of people. Some people really struggle with saying "no" or enforcing boundaries, some people are very wary of negative interactions with strangers. If you are relying on people to explicitly push back on you, rather than reading more subtle queues, you are quite likely adding stress to someone's day.
I choose to embody the society i would rather live in, instead of following along with the friendlessness and disconnection that results from our deteriorated social sphere. Most people are delighted to have a little contact.