It doesn’t have to be anything super onerous. If the marketplace is jointly liable, it could be as simple as them then requiring sellers to have a typical $2m

It doesn’t have to be anything super onerous. If the marketplace is jointly liable, it could be as simple as them then requiring sellers to have a typical $2m liability policy from a licensed insurance company naming the seller and marketplace and provide proof of insurance before selling. If anyone shows up to sue over the product, you just direct them to the insurance company. If you’re not doing anything dumb and don’t have a history of doing anything dumb, getting some basic liability insurance should be cheap and trivial. It completely outsources the costs and moderation and probably _saves_ the marketplace money versus the current arrangement. The only way you continue to sell a bunch of fake / dangerous products is if the insurance companies are taking losses on this. And they’ve shown themselves pretty adept at avoiding losses.