It is probably safe to say that defense mattered to these people, on a level more fundamental than identity theft, problems with current near-field payment schemes, or any other current IT security concern. Being hacked by an iron sword has more immediacy than being hacked by a network intruder. The prospect of a horribly painful death tends to focus the mind on what actually works.
- No military (collectively, they know a thing or two about horribly painful death) of any nation, has ever had a problem with the value of a defense in depth strategy
- Even the militaristic United States of 2014 has funding problems