Rerouting the buses from (rural) 280 to (urban/suburban) 101 will both put them at
more risk and worsen traffic congestion.
SFPD (for one example) policy is to not investigate shootings of vehicles unless (a) there is injury or death, or (b) clear evidence that a firearm was used (as opposed to a BB gun, air rifle, or pellet gun) -- meaning that actual bullet(s) were found.