I’ve always wondered if internet trolls are all 14 y/o boys or if some of them are like legal adults. The constructions and logic they use are are so simplistic

I’ve always wondered if internet trolls are all 14 y/o boys or if some of them are like legal adults. The constructions and logic they use are are so simplistic. Is there a pervasive mental disorder common among trolls? Or are they all just a bunch of bad people?