Hm, I'd say both but quality first. The engineers aim was to make something that would last forever, the goal was that nothing would go wrong with it, but inevi

Hm, I'd say both but quality first. The engineers aim was to make something that would last forever, the goal was that nothing would go wrong with it, but inevitably over the years something would and in that case it'd better be convenient to repair as the its so damn expensive you cant just buy another.