Wow can you image doing 100 kph and an air bag goes off. This ventures into a bad road runner cartoon. I could easily see a person blown off the seat or at least out of control as it hits the handle bars. Bad news indeed.
I was thinking the same but it could work if the bike has a good back rest or lap belt that keeps you tied to your seat; still that might not solve the problem and you could be shot off the bike. Motorcycles are dangerous no matter how you take it.