I think he was implying that Queen (corona) would not be a successful pop group during the 70's vaguely thought that gum nuts and the peanut gallery was still dogmatically dominated by the RC - he had not a clue about the efficiencies of modern communication to respond to popular demand (even in the days of LPs, 45s,tape decks, TV pop shows and radio) hence the number of superb songs which nailed the top of the popular culture charts..
"mama I just killed a man... " (the plague or terminology for a bullet)
A CIRCA 2/10 for a theory..( circa..you could be marked down due to the need to meet the bell curve of achievement distribution).. one for putting your name on the answer sheet and one for spelling

Cheers
AP