He was a virlulent anti Irish racist who hated Sean O Casey the great Irish playwright and communist . Orwell made one of the baddies in 1984 an Irishman O Brien.
There are allegations that Orwell was a rapist . None of this is taught in schools.
Interestingly I once heard that old CPGB Spanish Civil War veterans thought even then (in the Spanish Civil War ) Orwell worked for MI6