I copied this from תפילה למשה – אוצר פירושי הראשונים והקדמונים על סידור התפילה, via Otzar Hachochma (that’s what friends are for!). I haven’t tracked down the footnotes at all.
Leave alone the legions of learned, long-winded historians and political economists. The real cause was Jews saying Birkas Haminim, says Ba’al Ha’eshkol!
Read it for yourself:
I enjoyed the roundabout phrases the author uses!