In your previous comment, you were equating “Danger” to “Death Rates.” How often do you hear of a cyclist dying in an incident that doesn’t involve a car?

First: you said, and I quote, "Riding a bicycle itself isn’t all that dangerous, even without a helmet.". That is blatantly, proveably false, especially when you say that it's not dangerous even without a helmet. I've broken multiple helmet in multiple single-bicycle accidents over the 20-odd years that I was commuting regularly by bicycle; at least one of those would have very likely have been fatal without a helmet.

How many cyclists die outside of interactions with cars? In 2001, 44% of fatal bicycle accidents--377 out of 853--did not involve being hit by, or hitting, a car. So, there ya go. Damn near half of cycling fatalities aren't involving motor vehicles. (The site mentions them as being bicycle transportation fatalities, which seems to exclude bicycle recreation fatalities, but I can't guarantee that they aren't including deaths from mountain biking. Per the same source, helmets appear to reduce the risk of brain trauma by about 60%.)

And if that was a car, do you think she would have survived?

If she had been in a car, and hit by another car? Yes, I think she would have been fine. Cars have airbags, set belts, and crumple zones. If she'd been hit by a car, while on a bicycle? Can't say. Statistically? Yes.