Rittenhouse is exactly what the 2ndA is about:
Faced with a practical insurrection, and no meaningful gov’t response, a citizen could step up at a moments notice and do his fair part to stop it.
Dang straight the Founding Fathers would have approved of a 17yo toting an AR15 to an outbreak of looting/vandalism/mayhem.
14 & 15 year olds were in the Revolution.