roll cages are safe if they're done right... and for the right reasons. you MUST be wearing a helmet, and they MUST be padded.
Do roll cages help in a crash?
It allows the least amount of rattling around the car when it is rolling in an accident. Roll cages do not guarantee a completely safe landing, but they can reduce the effects of the overturning. So they actually provide assistance to save the lives of the people sitting in the car.
Are roll cages safe for the street?
Myth #10: Roll cages make your street car safer. The Truth:This statement is only true if you are in a collision while wearing a helment. In reality, welding or bolting in a multi-point cage is one of the most dangerous things you can do to your street car.