If its about explaining the attitude of forming their own cool hangout, I do agree with you. But I don't buy that an attitude inspired by revenge is justified because they were abused.
Open your right hand, palm down.
Make a fist.
Now let your middle/long/tall finger extend.
Rotate your hand 180deg clockwise.
Bend your wrist upward.
Congrats. Welcome.
There are people who have suffered far greater injustices than being bullied in school and were resilient enough to maintain a generally positive disposition that serves them well. There are also privileged individuals who never faced anything most people would consider a real problem and yet are extremely cynical and bitter at the world as they see it.
Setting all judgement aside, what is the better way to live solely for oneself?