What if children were to save innocent lives and defend themselves from dangerous criminals or even fight them while dressed as superheroes?

Wouldn't it be awesome if a child (like the one as young as 8) dressed in superhero costume were to save a pregnant woman &/or even the elderly from any threat like the house on fire (for example)?
Update: I thought it would be cool but i don't understand why it's wrong for kids to save the day while wearing superhero outfits!
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