Variety is the spice of life they say.
I know many people who read, and many who don't.
Of the readers, some read mainly for pleasure and some to gain knowledge. Then there are those who seem to read so that they have something to talk at you about.
In my experience the non readers are just as good company, just as good people, just as good conversationalists etc.
Mostly I have no idea if a person reads or not unless I see them with a book or they bring it up in a conversation. I certainly wouldn't ask them without a very good reason. Anymore than I would ask them if slept in the nude

or changed their underwear every day.
It is a big old world out there with a humungous variation in talents, interests, abilities etc. Why get all perturbed if someone is different than myself. Often it makes them more interesting.
Helen