Oops yeah, if it was hella early then it probably was me. I heard a shout from mid-peloton at one point but I think I was in the middle of a full on, tunnel-visioned, bonk at the time and just thought 'piss off douchebag, I'm about to fall off sideways if I don't look straight ahead'!*
*and also because largely the shouting is of the, highly humorous, 'you're going the wrong way!' type of bantz - rather a genuine 'Oh Hai' from London's favourite neo-Dad!