study each proposed form of short form content regarding impact on cognitive function and select the most destructive forms for legislation.
if you make a website that provides short form content you are subject. why would an aggregator be excluded?
go ahead and let users make multiple accounts. the current, invalid, answer here is biometric provisioning (done not to protect anything but government and corporate interests). personally I don't care if an adult wants to fry their brain, provided that they have been adequately educated as to the extent of what they are doing to themselves. it's why I included the parental proviso, because protection from brain frying is most important during childhood.