He didn’t, because trolls cannot debate, they can only incite.
this was answered a few times in previous posts
In any case, on the flimsy chance that the guy means any of what he writes, the situation is even sadder. He is living in a cave and spending his time shouting to sunbathers that he’s seen the light.
sometimes its hard to tell who is doing the inciting
a sock puppet troll of the opposite persuasion
this information was relayed to you in confidence.