Your lack of understanding that any child, all children... need proper guidance and have learning lessons of how life functions. Your granddaughter should hold you responsible for any injury sustained while entrusted to your care and the ignorant decisions you make that will affect the rest of her life. I've sat on that bench for years and have watched children play on it, none have the reaction of guilt for being unable to undo what has already happened. Educate yourself to recognize physical obstacles for the future development of all children, not just when you drop your kid...