Courts do this stuff all the time. Meta was just fined $18B for making their services addictive, and failing on purpose to keep kids away. That number is entire

Courts do this stuff all the time. Meta was just fined $18B for making their services addictive, and failing on purpose to keep kids away. That number is entirely made up. How it works is that the complainant makes an argument with an amount attached, the argument is reviewed and discussed by all parties, and the judge decides. The law system is amazingly free-form in some respects, which is why precedent is so important: there's not much else constraining things.