There are many intelligent people who purport to be Christian/Muslim/etc, which all require severely flawed thinking to seriously believe.
What you’re doing is conducting an ad hominem attack, assuming that this dude’s views on one topic have any relevance to the accuracy of a completely different topic (with a nearly decade gap nonetheless).
What you’re doing is conducting an ad hominem attack, assuming that this dude’s views on one topic have any relevance to the accuracy of a completely different topic (with a nearly decade gap nonetheless).