Humans will be on top of the power scale again for the first time when Uub shows up.
I'm still convinced that the distant finale has been jettisoned from canon at this point.
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Your list is actually wrong.
A human is the smartest person in the universe, smart enough to actually break the laws of the universe and become capable of time travel without consent or help from the Supreme Kai of Time.
Also another human created a being more powerful than almost every God in the universe. After achieving his final form and before Gohan and Goku went into the Hydrophobic Train Clanker, Cell was literally the fourth strongest being in the universe, behind Majin Buu (who was sealed), Beerus and Whis. He was literally only behind an eldritch abomination, the God of Destruction and his teacher.
Technically, in the Dragon Ball universe, Humanity is special. If Doctor Gero used current Goku's cells to make Cell, it's entirely likely that Cell would be an artificial God that is more powerful than the real Gods.
edited 30th Jan '16 6:51:58 PM by IAmNotCreativeEnough
himitsu keisatsu seifu chokuzoku kokka hoanbu na no da himitsu keisatsu yami ni magireru supai katsudou torishimariActually I just realized. If that actually was supposed to be divine ki base Goku or whatever he's called, and he confirmed Uub was as strong as he thought he would be, that actually does give us a pretty solid placement for where divine ki Goku is without SSG or SSGSS. He's slightly weaker than Pure Buu, who is as strong as SS-3 Goku in the Buu arc.
That makes some sense considering in one Super episode, Beerus almost killed base Goku by sneezing, and Whis said that base Goku's power was like a three-meter tall tree in comparison to Beerus's 100-meter tall temple. Finally it explains why a half-dead Golden Freeza who couldn't do jack to SSGSS Goku still scoffed at the idea that base Vegeta could have a chance against hi.
Do remember that base Goku was beating (true-form, non-Golden) Freeza. It seems the vast majority of Freeza's power came from GOLDEN MODE, not just training to get stronger.
edited 30th Jan '16 7:59:24 PM by Nihlus1
Vegeta considers Bulma giving him a pink shirt to be savagery. XD
Come on! Let's bless them all until we get fershnickered!

Wow, it's good to know humans have some value in the universe. Sure, we're not the smartest, the most ethical, the strongest, the most spiritual, the most advanced or the most united, but damned if we can't make a good burrito.