Have you guys watched EXTREME 4X4 on T.V. ?
They take purpose built vehicles and crawl up rocks and creeks. They normally break something, but that is what they do to have fun. Their vehicles are made just for that activity.
If you take your daily driver and jump hills, when it comes down, tie rods bend, bad things happen to the suspension, tires, wheels, etc.
Have you ever seen a female drive over a speed bump at 30 mph, and wonder why she needs a alignment, and her shocks need replacing.
The point I am trying to make is that it amazing to me to see people destroy their main means of transportation, when they could build something specific to have fun with.