4. Most importantly, lying is not discourse. Lies are the opposite of discourse. Lies are the co-optation of discourse for purposes of violence. Since the GOP is addicted to lies -- surely you can't contest this -- then that would be a huge strike against the idea that conservatives are pro-discourse.
Since Charlie Kirk, like the vast majority of right-wingers, loved to lie, I would not say he was interested in discourse at all. Yes, he loved to talk. But he didn't love to debate -- he loved to talk at people, without regard to any shared basis of conversation.