Someone gets it. If Sasuke had Sakura's strength instead of chidori, Naruto would be dead.
No, Naruto got powerups, Shadow clones ,maybe, and the rasegan too forever for him to perfect.
Sakura actually worked hard and learned every rather easily
Rasengan can probably be copied, but I dont think CES can, it's all about precise chakra control, storing and releasing.
And having strength makes having rasengan useless.
Maybe if you are talking about Rock Lee and Gai, in terms of strength.
Can you solo 50 + people with one attack though