I didn't see a Category "adjustment" so I just add a tag with this term.

I guess adding some more reality would not change the game focus on war simulatting.

A wooden wall stoping a armored at a high speed is very frustrating.

Thanks ProGamer, I already voted for your issue.
But my point here is more about the crashes on the ground, when the heli acts like a complete solid object. What make it even kick like a ball some times.
More broadly, it is a problem related with any impact or crash of objects, because the all are made as complete solid objects.
Hard to change I Know, but is an important issue to the future.

Trees should burn when near to an explosion or fire.