Everybody that I know, who has owned operated a non-cockpit having motorized device, (Dirtbike,motorcycle, quad, or 3 wheeler, even Karts) Has had some form of crash. Just to give a perspectiive
My cousin- 22 years ago was fell of the back of a bike as a passenger and rolled under a Semi-truck. ( he died at age 12)
My Dad 17 years ago had a brake failure and slammed to the ground ,slid through in intersection( fortunatly not seriiously injured)
My wife's uncle was rearended by another biker going only 30mph( 15 staples in his head no helmut)
My best friend Died last Holloween due to drinking and driving, he was crushed between two cars. Two years before that he highsided himself into a rock wall while canyon riding( spent 3 month in the hospital)
My father in-law just got ran off the road on monday,while riding home from work, fortunatly he only got roadrash, and a lot of it.
When I was 13, I rolled a Kart while practicing before a race, recieved a slight concussion.
My kids are banned for life from riding motorcycles, period, no discussion.