JDogindy
Tribal with a Baked Brain
Because of the fact that the intention of the Legion is not to provide a new form of order, but to instill a dictatorship that thrives on oppression and conquest. As well as the fact that, after Caesar dies, there is no intention on what the future will hold, as even if you chose to have the Legion win the second Battle of Hoover Dam, once Caesar died (or if Lucius took temporary control until Legate Lanius would usurp it), the group would deteriorate into splintered factions, with most of them becoming organized Raiders and crude Slavers.