>>600146Because they are mostly doughy suburbanites and NEETs who insist they have to do things the hardest way possible to prove how rugged and manly they are.
By most historical counts, the soldiers who had to eat hardtack hated it, it has almost no nutritional value, and there are countless alternatives now which are both affordable and better for you.
So really they're just being deliberately anachronistic.
>>599828This anon poses a more interesting idea for the subject.
