When Android 17 made his big wish, the man was a bit vague about his desire. The fighter simply said to, “please restore all of the universes that were erased.” The Omni-Kings ordered that to be done verbatim, and fans watched as all the worlds annihilated via the tournament were brought back.

Why did Android 17 get the wish?

When asked what his wish would be, he wished to bring back all of the eliminated universes instead of his cruise around the world with his family. Good thing he did this too, as the Grand Priest revealed that the Zenos had believed that the winner would be of pure heart and would revive the fallen universes.

Why is Android 17 as strong as Goku?

Android 17 was so powerful in Super for nearly the same reason that when Frieza and even Fat Buu trained they got a massive power boost. Their base is already massive without any training.