People here seem very against this, but I don't really see it. This only require to have a form asking about your age and provide an API to read it, right? Surely I'm missing something? Is the backlash due to fear of a slippery slope?
They want to abolish anonymous use of internet services, because anonymous publishing at scale is powerful and dangerous to incumbents when they can’t retaliate with malicious prosecution, police harassment, or assassination.