Apple is focused on privacy for kids and authentication methods acceptable for apps listed in the App Store. The default position for apps in the App Store is that they must use the Sign in with Apple authentication method. Exceptions to this rule exist. Apple has added a host of kids' protections.
In an age where end users and developers alike are more conscious about IT security than ever, it’s little wonder that more focus is being put on finding more robust authentication methods than the simple password.