βDonβt you think writing on Jews is rather narrowβ was the first question they asked me at a job interview by the head of a red brick Eng Lit dept.
So students who want to write exclusively on black writers are warned that their dissertations/portfolios might be a bit narrow--even if they range from the Caribbean to Britain and America. But I've never seen a piece of work covering Byron, Keats, Shelley condemned as 'narrow'.