Why do people take offense that I don’t talk to them but don’t care about others acting the same?

People at work take my quietness as rudeness and gossip about me and keep tabs on me but don’t care a bit about other reclusive people. Why? I’m just a working student and most of the regular staff don’t give a flying f about students. They also eavesdrop on my conversations with others etc. And don’t hide that they are watching me.

Why do people take offense that I don’t talk to them but don’t care about others acting the same?
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