Yesterday a guy in Stockholm got his thigh impaled by a fence while playing, firefighters had to lift him off.
The golden scentence in your article above, Sig:
"I did think there would be accidents,"she said. "I did not think it would be my son."
We never think that problems we can foresee will happen to ourselves, do we? My mother also used to say that when she talked about WW2, so not much has happened since then.
Carl Linnaeus named us Homo Sapiens.
While vehicles and Pokemon GO does proove Homo Sapiens ability to discern and to think, it's hugely unwise to get impaled by fences, or using dinosaur-powered vehicles when playing.