tirewalls should have soft-body physics, but be heavier, to create a more realistic impact. Also, many tirewalls throughout the map are fully solid, i know the developers are working on tech-pro barriers, but the tirewalls should have the ability to deform as well.

Yes, you are entirely correct. All I can say is that at this moment, LFS devs probably already have things like that at the very bottom of their priority list. I hope eventually in due time, it will come, so patience