Thanks but I’m only helping maintain it. :-) I did co-author a few other projects though.

Would it help to point out that he didn’t? :-)

When in doubt refer to authority over logic. Authority wins every time.

It wasn't worth deconstructing their "logic". Rather, my implicit message was 'if you find yourself disagreeing with someone likely better than you at X, step back and assess the epistemic foundations of _your_ belief.'