Yep. Her chuuni behavior isn't an act or a quirk; it's a result of brainwashing.
Considering that the whole event feels like the chinese version of "skibidi toilet" but with monkeys and a slightly deeper meaning...yeah, you could say that it's something cruel, but after learning the truth she could've snapped out of it and could've followed her own ninja path as a way of granting her adoptive father/mentor last wish
