It being unenforceable is part of the ploy. It means moneyful entities, like say Microslop or a Christofascist national church, can harass developers aligned with non-rightwing principles via lawsuits. They don’t have to prosper, they just have to cause a cost in money and quality-of-life.

which we dutifully entered as 19, it would ask questions that only an adult would know, like “who was the US president in 1962?”

To think there was a time when Amerikkkan adults actually knew some History, that the developers could trust to use as an age check! Quite the surprise, I imagine in part it was thanks to Carmen Sandiego.