I think that I've had four specific requests on social media to comment on this, and today a newspaper asked me for 700 words on it.
All seem to accept that "it's rather silly" is a legitimate argument for me not getting deeply involved, thankfully !
30 seconds thinking about the difference in shape with varying cabin loading are enough to bin it, before you get onto parachute snatch loads, physical damage locking it in, mechanisms for release, extra structural mas, tamper-proofing, power/hydraulic/liquid/data carry-thoughs, minimum safe operating heights....
G