DB6
Okay, if you say so...
Anyhoo, having sat on a number of safety boards including our own CAA's FTLs and public transport/rec/private flying has been a topic in the past.
Yes there have been a number of accidents that have involved fatigue brought on from line flying and instructing/private flying, some of the accidents happen to have happened when flying privatly. A Spitfire crashed at Goodwood a few years ago, fatigue was considered a factor.
A number of other prangs have also been looked into regarding other flying in the pilot's life....
Not really bollocks