A) If Google is found liable for copyright on each thing trained, that's more than their net assets by thousands fold at the mandatory minimum rates.

B) If OpenAI is found liable, they go bankrupt and creditors don't even get their non-transferable 70% margin (to Microsoft) cloud credits from Microsoft's investment.

Once Google released Bard though there is pretty much no excuse not to put out better stuff, they already made a legal determination that it is iron-clad fair use.