Yet I've seen negative press about Parkour too, even when the world is up in arms about obese kids, then teenagers find something to do that's taking skill, intense physical activity, and ZERO financial outlay on sporting gear, and they're still moaning about it.
Ok, I admit there's risks, but I'm sure anyone with sense pushes themselves slowly, and like this guy isn't headed to the top of the Sears tower to start practicing.
The only other thing I can think of is perhaps when they do it around parks and gardens there may be damage to plants, but that is something the scene needs to prove is not their intention.
Certainly makes about 4000 times more sense than paying a gym to do stuff you could do at home for free.
Seriously , anyone picking this up, great, go for it.
Also tho, he's got a real nice looking area, with a lot of variety, but then perhaps when you do these things, you look at the world from a new perspective and see things you might not notice before.