Accepting that the drivers testimony was honest and the cyclist did not look then sadly he could be considered to in some degree have contributed to his own death...
However I do still think HGV and Bus Drivers need to be held to a higher standard with regards to their driving, yes they have deadlines to hit but they are also supposedly qualified to a higher level in order to be entrusted with a vehicle many times greater in mass and destructive potential than any car or bike....
15mph (~40%) over the speed prevailing limit is far too high, given the reduced reaction time he had (plus his attention being partially on a phone call), he only managed to knock 3mph off prior to impact, had he been obeying the letter of the law (and I assume that formed part of his contract of employment as a Driver) the odds of him avoiding the impact all together would have been significantly increased...
Car driver are often told in adverts and literature that adhering to the speed limit rather than exceeding it by say 15% significantly improves the chances of survival for any pedestrians they might hit.
Ultimately a life was lost in an horrific manner due in no small part to the fact that an individual whose profession was supposedly the safe and legal operation of an HGV decided to ignore some inconvenient laws regarding speed...
I have no doubt his tears were genuine, he has killed someone and ruined several lives. Doubtless he feels remorse and guilt, but also believes his avoiding actions were sufficient to remove any blame his speeding and inattention might place upon him, the courts it seems would agree...