Anyone with a little plot armor can manage that.
If you want my honest opinion - Kishimoto has degraded the quality of his work with his abuse of the Sharingan. It was getting a little overpowered with just your stock abilities of the Mangekyo Sharingan. Fire that burns anything and ridiculously strong genjutsu was justified with: "oh, well, if you use it a bunch, you eventually go blind and can't use it at all."
... And we see how that got DBZed to hell and back.
Though, really, it goes a bit beyond this. Obito and Madara are not, themselves, really taking on the world. It's mostly the Ten Tails at this point ****ing everything up. Since having 7 tailed beast jinchuriki as pain-puppets wasn't good enough.
Considering that the Hyuuga are still running the same hardware since Part 1 and the Uchiha have been receiving the latest in enthusiast computer hardware... I'd say they are doing pretty damned good.
Take away the Ten Tails, the 'Pain-puppets,' and just have Obito facing off against Hiashi, and we'd probably be looking at a completely different fight.
I mean... seriously - Madara and Obito are taking on the world with the creature credited for its very creation (okay, so the next Sharingan move wasn't "Kami" ... it actually takes control of God. ... My mistake...). Of course, that means if a Hyuuga can't single-handedly bitch-slap them off of the Jyuubi... they're all just talk and inferior to the Uchiha.