If you read his book you'll understand that he was a very high-risk-seeking kind of guy.

The risk seeker doesn't look at things the way most of us here do (backups, alternate plans, turning back under duress, etc) hence having really good tools probably wasn't on his radar.

When I teach my course module on survival I use his example to emphasize the importance of a trip plan - or having a really sharp knife- student can choose.......