Note, this is EU AVMSD regulation we're talking about. Even companies who you think wouldn't need to comply with it do require this (notably Microsoft, because of Xbox, Microsoft Family and related stuff). At least EU just requires a credit card, in Korea you basically need your digital equivalent of an ID ("For customers in South Korea, use I-PIN [ed note: https://www.oecd.org/sti/ieconomy/38540152.pdf] to provide parental consent or verify your age.", https://support.microsoft.com/en-us/account-billing/parental...).