"Doing you're(sic) own research" is a dogwhistle of far right anti-intellectualism. It's saying "fuck facts, it's all a big conspiracy".

following narratives pushed by MSM like sheep and responding with pictures of feces when presented with an opposing point of view?

With all due respect, his reply to you was dramatically more effective than me sending you facts and being reasonable and polite.

Says more about you than it does about me

It sure does. That I'm stupid enough to think that I can convince flat-earthers that the world is round merely because I've made a point of becoming educated, reading studies, and applying my scientific background to separate the conspiracy theories from the chaff.