It's not. The motorcyclist has to share some of the blame. If he's not capable of stopping for a woman who deliberately stopped then he wouldn't be able to stop for a disabled vehicle.
I think you guys want to punished more for stopping for a duck than the fact that a motorcyclist couldn't stop in time.
Did she even put on her hazard lights? Put up her hood? Flag anyone?She’s going to jail for a very good reason.