It seems the translators randomly transliterated the weapon dimensions...
As far as I can tell, knife --> blade, and the mo blade would be somewhere between a long saber and a claymore in length.
I could easily be wrong, though.
"The next day, the reorganization and role changes were announced by the Military Affairs Department and caused a huge discussion."
This 'huge discussion' (omitted) would be more interesting than the philosophy part imo
SaltSovereign