mjr
Comfy armchair to one person & a plank to the next
Or maybe your neck would have held your head up without the extra weight as far from the neck as can be (force on a pivot is proportional to weight times distance, more or less, IIRC). Unless we fire a stack of crash test dummies through a similar crash, it's really quite dodgy to use this as a justification for helmet use.I was clipped by a car and slid a good way down the road. All the peak and side of the helmet was ground away by the road. That would have been my forehead and head.
And the standards aren't as strict about the sides of the helmet, so another brand or even model of helmet might have withstood less than yours. Congratulations on your choice.