I went off about a 15' embankment in Colorado with my pickup and truck camper. Camper was launched off the back of the truck and truck ended up on its side. The impact ripped off one of the front wheels. The airbags deployed. I came through the ordeal without a scratch. I was also belted in. I don't remember the airbags going off and don't know what the outcome would have been without them. I'm a firm believer in belts and airbags.
To each their own. As Mark Twain said: "There are three types of lies. Lies, dam* (forum won't let me say the swear word) lies, and statistics". You can come up with statistics to support any view.