but you know, even they don't give even an epsilon about the history, but the history and character of SO6P is of great interest and curosity
well, Naruto could get info from him in his subconscious, the same with BeeI assume that they can only really talk in a Jinchuuriki's sub conscious, in the reality they only go ROAR!
at least we see that Naruto and Bee have come to terms with their beastsHow they can extract info about those power-houselike monsters? They could barely tame them by sealing them in other people.
but you know, even they don't give even an epsilon about the history, but the history and character of SO6P is of great interest and curiosityThe Shinubi?, If you mean Shinobi then my best guess is they were more concern about creating weapons of war and not the history of the world.
The villages were too busy using them as weapons, something that made the beasts hating the shinobis, thus wouldn't really talk. About B's octopus though , which was friendly with the humans after a certain point, I wouldn't know why. Possibly because they were shown in a a childish, chibi form the last time they spoke to him so they don't remember. Or simply, plotholes.
The tailed beats are considered to be weapons of mass destruction and besides to get any info from them you would need to have a host because if they don't they'd get there asses beat!