Fantastic. But I would like to provide improvement.
4 C's
Concern, Cause, Countmeasure, Cock-up. Following this we get FUBAR.
In all seriousness I totally agree that extending it to number of warranty faults would be valuable - do we know that they don't already do this ?
I applaud the importance of making them efficient to allow it to remain handbuilt and UK-handbuilt. I do agree with Hamwichs comments w.r.t. fix first time and don't look back.