This urban myth (that BHX cannot handle the 380) seems to have taken over from the urban myth of the latter half of the last century (that you couldn't go transatlantic non stop from BHX) which persisted long after 757s were ploughing their way across the pond!
Silly questions from today's spotters do the airport no great service, as all sorts of equally dim journalists also trawl these forums and believe almost everything they read!