The arguments are so bitter, precisely because the consequences are so small. Check it out.
"Prof Figes's critical comments are not unusually vitriolic by historians' standards. The benchmark in pugilistic fervour against which others are often compared is the 1960s dispute between Oxford dons Hugh Trevor-Roper and Lawrence Stone over the arcane matter of whether the English Civil War was caused by a fall (the Trevor-Roper theory) or rise (the Stone hypothesis) in the power of the gentry. The dispute dragged in numerous other famous historians, including R.H. Tawney and Geoffrey Elton."