Verified answer

Because the laws are made by adults. It's just like any other kind of bigotry, only worse, because it happens to everybody.

Because the little brats already have enough handed to them. They need to be mature enough to have the right to do things like vote.

It's not? Are you asking why children have to live under their parents rules? It's because they are not mature enough to know better.

Like?

Since it isn't, this is a moot point.