The only way I see it working is to hold some large portion of the revenue in a trust and relinquish it to the company over the warrantied lifespan. The company would have to operate at a loss for a while to books those reserves, so there would have top be something like a zero interest government loan to cover the cost, which can't be escaped through bankruptcy.

Or maybe a contract like the shitty cell phone plans in the US. Buyer agrees to pay for the full price of the appliance over the warrantied lifetime in installments. If you want to sell it or trade it in early, you either have to finish off the payment or transfer the contract. The company would have to service the product (within reason), or the contract is voided, releasing the buyer from payment obligations. Again, this system can be easily gamed, too, in today's market, but I just can't imagine a scenario that doesn't require a major paradigm shift.

I do a decent amount of 3d printing and I cannot count the number of random letter Amazon brands for filament that have popped up over the last year. Most are simply rebranded waste from larger manufacturers. Once the product gets below 3.5 stars, the brand disappears and a suspiciously similar new brand pops up with the same spool design and 20 5-star reviews overnight.