Before it is over with EVERYONE will be suspected of being underage and will be IDed... Justification or not, how will you fight it? Business is never wrong... The customer is always wrong. and there is no appeal to the decisions.
I hope everyone boycotts the hell out of them. But there are just enough STUPID people out there to support this and make it an across the board industry standard with all websites and service on the web.
I will repeat it again... The internet is dead and nothing but a completely negative situation. Comply and submit, stupid, stupid, stupid...
It was meant to be a military-level control trap from the very beginning.