There's a cost-benefit balance at play: is using the cost of the legal system (lawyers, evidence, courts, long tail on case times) better than developing a syst

There's a cost-benefit balance at play: is using the cost of the legal system (lawyers, evidence, courts, long tail on case times) better than developing a system to prevent fraudulent users? I also wouldn't be surprised if there was a burden of "good faith effort" required to show that you've taken measures to prevent frauds.