Motorcycles in your bus lane

^what they've found is motorbikes don't cause extra danger to cyclists but are actually in more danger themselves when in bus lanes.
....
Not quite the whole truth but part of TfL spin in the press release and to the Mayor.
They found dramatic increases in the casualty rate to motorcyclists.
They found dramatic increases in the casualty rate to cyclists on sites with detailed study.
They found overall, there is some evidence that the cycle collision rate had increased.

There was not enough evidence to show whether or not motorcycles caused the extra danger to cyclists. They did not find any evidence to justify the claim that 'motorbikes don't cause extra danger to cyclists'.
I still cannot understand why TfL are spinning this to downplay the main finding of an increase in danger to motorcyclists. As they say: You can fool all the Mayors some of the time, and you can fool some of the Mayors all of the time, but ... ... ...