Bringing a CAD to life in clay form can take weeks. Smashing it to smithereens takes seconds.
This is what happens once the final design of a new Jaguar car is approved: the full-size clay models get hacked up with axes and hammers.
The glorious wanton destruction has been beautifully documented via this official video, which shows a trio of engineers enjoying some much needed stress release and also puts paid to the theory the exquisitely crafted clay models are stored somewhere for safekeeping. This is how they roll in England anyway.