The law will not work without a technical solution. So, you need both. But, at least, technical.

You just take a sample of the crawling to whichever police department knows how to deal with DDoS, they subpoena the ISPs involved and trace who's using the proxies?

> just

> [four phases, each of which has historically been hard-to-impossible for highly organized international coalitions]

Never going to happen.

Did you try? What were the results?