I agree on this. Also Dslyecxi talks about it in this video: https://www.youtube.com/watch?feature=player_detailpage&v=-miNL8dDa04
Most important IMO:
- Give skids the ability to absorb more energy
- Reduce chance to roll over (this happens A LOT)
- Allow helicopter to fly through leaves instead of exploding (also counts for the rotor)
- When rolling over, helicopter should NOT explode into a fireball.
This would give friendlies a chance to extract you after a crash and could cause some cool scenarios.