Firstly, why have any official languages at all? Aside from government documents and the like (which are routinely translated into 10+ languages anyways), why d

Firstly, why have any official languages at all? Aside from government documents and the like (which are routinely translated into 10+ languages anyways), why does any language need to be "the official one"? Also, what does it actually mean "can't even understand each other"? Understand the actual words? Understand as people? Sympathize with? And I'd like to see how the status quo is supposed to be transformed into "two countries with each their own language". Will you slice off chunks of Eastern Ontario? Have enclaves on Montreal Island? Balkanize New Brunswick?