Why are these new generation nerds like this?

How come an increasing number of nerds and other eccentric introverts of this new era instantly look down on, bully (physical and verbal), and hate school popular kids as dumb worthless pure-evil people the first time these nerds step foot in school? Who raised these nerds and eccentric introverts?

I have never seen these types of nerds and eccentric before.
Why are these new generation nerds like this?
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