Mostly they'll just add to their prices to cover the cost. Ultimately even if AI armchair lawyering is very bad companies are going to find it easier to eat the cost of more $12 refunds than dealing with inbox spam from AIs even more relentless than the vexatious humans they generally pay to go away

(yes, they can and do use AI to handle some of that themselves, but they need some humans in the loop at some point to ensure they don't get prompt hacked into offering much more significant compensation or to confirm that the legal threats issued by Claude are indeed not applicable, or to get mobs of angry agents to leave their executives alone on LinkedIn)