Section 230? Is it the platform or the originating user that's liable?
Protection of personal data? Is there a standard of care beyond which liability lapses (e.g. a nation state supply chain attack exfiltrates encrypted data and keys are broken due to novel quantum attack)?
Minors viewing porn? Is it the parents, the ISP, the distributor, or the creator that's liable?
I'm not here to argue specific answers, just saying that everyone will agree liability would fix this, and few will agree on who should be liable for what.