Whose voice does the 4 year old have? Theirs or their parents? What you do by opening the vote to children below a certain age is all you are doing is amplify

Whose voice does the 4 year old have? Theirs or their parents? What you do by opening the vote to children below a certain age is all you are doing is amplifying the vote of the parents, you are not giving voice to the children. At what age does the child who can vote actually have the capacity to choose their candidate and are even able to negotiate the mechanics of voting? Let’s say 18 is too old, but how young before they are able to counter the influence of a parent and decide for themselves…I’d argue its at least well into their teens.