Quote Originally Posted by chambers
you will probly find the nobles have access to a legendary weapon or some such thus forcing the world government to protect them lest they reveal/use the plans.

Also im pretty sure at some point in the future there will be anoble introduced that has extraordinady powers, perhaps even sengoku himself is a noble? It goes against shonen rules to have a guy at the top of the food chain who isnt insanely strong!
Well, information is power and the fact that these guys know all about the history of the world government should grant them quite a bit of it

Remember an whole island was destroyed so that same information wasn't leaked