Recycled Language

20131001-222100.jpg "Keep Calm and Carry On" has been appropriated for all manner of commercial purposes. Is it simply distance through time that allows cultural artifacts like this to lose their original significance? How long until you can slap the consoling slogan of a war-torn nation onto the side of a burrito bag?

From Wikipedia:

The poster was initially produced by the Ministry of Information, at the beginning of the Second World War. It was intended to be distributed in order to strengthen morale in the event of a wartime disaster, such as mass bombing of major cities using high explosives and poison gas, which was widely expected within hours of an outbreak of war.