Rolling out Waymo more broadly will help bring these criminals to justice, as there crimes will be recorded by an unflappably peaceful victim.
"Increase the speed limits" is a classic populist policy that keeps being reimplemented (and walked back for it's impracticality) all across the world. Policies to ban cyclists are uncommon, but certainly not unheard of. One imagines the self-driving car companies won't be too bothered to fight against laws that hurt everyone but them.