[bdevani]

The data would allow a person who is not capable of giving informed consent, to give consent. Its the same reason a kid can't be interviewed by a cop without informing an adult (for example).

More than this, it means you can track a person for their entire life. Regardless of where one stands on the negative impact of tracking, a person should be able to decide, and a kid simply cant.

Kids arent allowed to win contests either (some contests) or the lottery.