I think Lemmy has a problem with history in general, since most people on here have degrees/training in STEM. I see a lot of inaccurate “pop history” shared on here, and a lack of understanding of historiography/how historians analyze primary sources.
The rejection of Jesus’s historicity seems to be accepting C S Lewis’s argument - that if he existed, he was a “lunatic, liar, or lord,” instead of realizing that there was nothing unusual about a messianic Jewish troublemaker in Judea during the early Roman Empire.
Joseph Smith was real too. Why should anyone care
Well, the followers of Joseph Smith spent a great deal of money back in the early ‘oughts against gay marriage. Perhaps looking into things like the Book of Abraham (a “translated” copy of the Egyptian Book of the Dead, which wasn’t able translated until after the Rosetta Stone, and clearly does not say what Smith said it did), genetic testing of Native American tribes showing no Middle East inheritance, the various anachronisms (iirc, pre Columbian horses?) and the precedence of “KJV’ism’s” in the text might be important. We can debunk a lot of what Smith said, which might have significance for a religion that has a stranglehold over the politics of Utah.
Religious cults don’t care about reality.