He should not have been there, but the driver should have behaved properly...he should be banned from driving imo.
(to derail from a headphones debate...)
That was kind of my take on it too. I couldn't really work out WHY the bus ploughed into the bike. The circumstances aren't obvious to me but I'm baffled as to why someone seeing a cyclist, sounding their horn and getting no response seemingly carried on.

. Two things you don't mention on this forum , headphones while cycling and livestrong
(there's one subject even more likely to start a war just by mentioning it).