well no one really knows
how many people participate in parkour worldwide? x
France
It's like you ask why people do sport.. Parkour is awesome in many eyes + helps you reach your destination faster :D
The definition of parkour is individualistic, practitioners of parkour define parkour in their own way. However, all people can agree parkour is the freedom of movement.
There is no official statistic on the number of people who have died while doing parkour. Accidents can occur during parkour due to the high-risk nature of the activity, but the actual number of fatalities is not readily available.
Stuntmen?
None. It's too good for the cops.
There are many tutorials of free-running/parkour tricks/movements on youtube.
A lot of people do not see parkour in a positive light, so you are not the only one.
Parkour is people doing stunts on things like balconies, and light poles or sometimes just on the sidewalk.
Pyrmont Park for people in Sydney
Yes, many people have died. About 50 people a year die from falling and various other reasons.