Some people who are utterly tech ignorant and unwilling to actively parent their children might feel better about handing their kid a device so they don't have to deal with them.
However, this is primarily the end game of both targeted advertising and those who want wholesale surveillance of the population (who are often the same people). Tying the whole of your online presence to your unique offline identity.
As much as I want to say this isn't true, I really can't.