A poster identified as "Greenleaf 2" keeps posting a tautology: namely:  "Trump response to NK is bad because Trump is intrinsically bad."

Greenleaf refuses to give any specific examples to support his position.

Greenleaf has not been able to refute a single point provided to show why President Trump has not handled the NK issue well.

Greenleaf is basically a broken dogmatic record which keeps playing the same unconvincing theme over and over and over again.

Can a poster like Greenleaf reasonably be called a troll;  should trolls be given the dignity of a reply?