Then how do you explain literally every single other noob-trap weapon being craftable, as outlined here (with a citation — you can see this is the “working as intended” from the official patch notes when the thing released, too, and the only grumblings were that it was a bit of a jewel/gem sink):
It’s because you’ve outlined a sentence that does not pertain to these weapons. They are neither
- obtained for beating a questline (elsewise EVERYONE with Nexus done would be mailed the weapon, as with War and Peace)
nor
- awarded for gem mastery, as Mang et al