Always be attacking, eh? Don’t answer my question but expect me to answer yours?
Yes, being knocked over like that is potentially lethal.
As would be abruptly stopping those on the bikes.
Here’s a man being knocked over at 0 mph and receiving a concussion at best: https://youtu.be/-HFsRn-oKd4
Which was the point I made. That you haven’t countered.
And, again, what offense did each and every single biker do to merit a cop recklessly endangering their life?