There's multiple options:
1. Hit them with fines or punitive damages high enough to wipe out all their operating profit and executive pay for as many years as a person would be in prison.
2. Seize the company (retainership?), replace its executives, and make the new leaders sign off to not do that thing again. That's in addition to a huge fine.
3. Dissolve it. Liquidate its assets.
They usually just let the big companies off while throwing everything they have at many individuals who aren't corporations.
For settlement-type deals, maybe see if they'll give all authors they ripped off free access to Claude models, too. They reap the benefits of what was produced. At cost with certain amount of free credits.