Well, that's part of it, but I was thinking more of the safety aspect. I do my best not to crash, but if I did I'd like to have a better chance of surviving it. Cars are typically designed to provide the best protection from the front, so that's the best bit to hit.
Obviously not all RWD crashes involve spinning into something sideways or backwards and not all FWD ones involve understeer, but I was using it as an example to highlight that RWDs can be a little less predictable for drivers unused to the extremes of their handling capabilities. And in snow or even heavy rain those limits are much lower - for most people, the predictable understeer of a FWD is the safer option.
Of course, you could make the argument that drivers with RWD cars these days tend to be more aware of their handling characteristics, since fewer mainstream cars use RWD - i.e. enthusiasts buying enthusiast cars should know what's what.
On the other hand, before FWD truly took over from the 60s to the 70s, people used to get along just fine with RWD. Though most of those were lighter than today's cars and had narrower tires which are better for cutting through to the road below. And lower limits, and softer suspension for more predictable on-the-limit behavior.
Actually, that makes me think of a misconception, and a conception that's probably true:
Misconception: Big old cars are safer in an accident than new, smaller ones.
Conception: People might drive a little slower and a little safer if cars themselves weren't so safe and cocooning.