Critisizing and Attacking Others:

GPT:

"Some people exhibit behavior where they frequently attack or criticize others ..."

"Individuals who feel insecure about themselves might attack others as a way to deflect attention from their own perceived shortcomings or to make themselves feel superior."

"Some people may attack others as a way to exert control or establish dominance in a relationship or social setting."

"If an individual grew up in an environment where attacking or criticizing others was the norm, they might have learned to mimic this behavior." 

"Certain personality disorders, such as narcissistic personality disorder or borderline personality disorder, can include tendencies to belittle or attack others." 

"Feelings of jealousy or envy towards others can sometimes lead to attacking behavior as a way to undermine or disparage the person they are jealous of."