Originally Posted by GolemsVoice
I'd still say that Tau worlds are more unified in their views than the Imperium, but I'd not swear by it. I know at least that military doctrine varies slightly between septs.
But since when do Arbites not punish people for murder? They're normal law enforcements, basically today's police. Only Grimdark.
They probably are more unified in their views, as it's smaller and younger, yeah, but there will be some variation.
The others covered the Adeptus Arbites question very well. ;)