Ron,

If I had a fire, would I want a personal chute or a chute for the plane?
I think I would want out of the plane.

Even if I didn't have a personal chute I think I would try to land as
soon as possible, immediately comes to mind. I don't think a descent
rate of 2-5000' (or more) per minute would be unreasonable. The last
thing I would want to do is sit around in a burning plane that is slowly
(500 fpm) settling down to the ground.

I think the main reason for a ballistic chute is a major structural
failure. So I guess it comes down to what the odds of a major
structural failure are. I think you are our resident odds maker so
what do you think?