Answer:
It would have seriously negatively affected civilian morale in London. Hearing about the horrors of the war even from far away does a number on morale. This, however, was not exactly the case for London in WWII, because even as air raids were executed on the city, the citizens, confined to underground bomb shelters, still managed to pull together and keep morale high, causing London NOT to plunge into chaos, but to stand united against Germany.
