and may once having departed its safe envelope prove more vunerable to inflight break up than say a Beech Bonanza.
The Bonanza isn't (or wasn't) exempt from in flight break ups. In its early years in V-tail form, it acquired the nickname
The fork tailed doctor killer due to a number of in flight breakups.
As others here have said, if you take an aircraft outside its normal opertaing envelope and overstress it, then you shoulnd't be surprised it bits fall off.
Brooklands