Flame wars are older than radiation detection devices.
I wish it was that fun.
These days are more complicated with the youngers coming in.
They seem to have a lack of USA history.
I have six general histories of the US on my shelves (I like Paul Johnsons; I even have Zinn, to cover all bases), five on the revolution, seven on the US Civil War (including both Foote and Catton), @100 on parts of the Civil War, US politics, important figures, etc. And another 200-odd on the US in the 20th century. Add economic, technical, military and social subjects that pertain to the US.
Thats out of the 1000-odd volumes I took from San Francisco to Bilbao, mostly history. I left behind (gave away) another 2000 volumes, and that all certainly doesn’t include a fraction of all the books I have read in my life.
So, does that constitute a lack of USA history? I think I am well qualified to teach some subjects in universities, assuming they actually want to teach history.