What I think I was trying to point out earlier was that I have been around light aviation (little planes) for 30 odd years and I'm still here. I've also been around high performance motorbikes for the same time period and I'm still here... although they have bit me.
So... my personal experience tells me motrobikes are slightly more risky than little planes, but neither need to be toooooo risky unless you really want them too be.
PS... I also fly toy planes as well as little planes!