Psychoindifferency
Psychoindifferency or psychological indifferency is a personality disorder to a psychological disorder where one usually attack others without worry about the feelings of the others and usually behave like a psychopath/sociopath and usually use indifferent arguments against all the arguments of the opponent and reductionist arguments too.
"Psychoindifferency is a common disorder among people on internet, mainly on political, religious, atheist, supernatural and spiritual groups... Psychoindifferency has no treatment for now, the best thing one can do against it is ignore the psychoindifferent one and avoid contact with his closed ones and friends."