Blood on the streets

forcing all riders into the single lane of traffic, which due to the timing of the lights, was full of buses and HGV's.

..

And where they are more likely to be seen by the lorry and bus drivers.
If drivers park all along the cs2 and cyclists are forced into the lane they may be less at risk
a. because they'll be visible and
b. drivers will be less attempted to punish the riders who aren't in the cycle lane
win-win