Theorique - to my eye, at least - was responding in kind to the academic arguments presented by lkrubner. He presents three possible explanations for the effect that lkrubner discusses. Nowhere in there is a value judgment, only three hypotheses.

A good rule of thumb for when a conversation has become personal and emotions are getting involved is when the word "You" comes up. Conversations that stay on a strictly academic level talk about the ideas involved, not the people who espouse those ideas.