Kakashi is not at kage level. He is so overrated by everyone, to me kakashi is a powerful jonin and that's suits him well. I am a huge kakashi fan but ranking him kage level is pushing it. The two most powerful ninja's in konoha are Tsunade and Naruto and they are both at kage level. Naruto still needs some more experience and mental training but he suits the job. Why give kakashi the job as hokage when he could not even defeat one pain on his own. That makes no sense and he also has a low chakara rate and stamina which are needed for that kage position. I mean come on he cannot even go against one Akatskui member. There are other jonnins out there that may have the chance of defeating him or even competing close to his level. I mean Gai can give kakashi a run for his money. I can gladly say even as a fan that kakashi is overrated