Having worked in logistics and fulfillment for eCommerce, I am fairly certain this service will stop as soon as someone starts to look at actual profitability. Problem just might be that nobody does for quite some time.
You underestimate what Americans are willing to pay for convenience. People already pay nearly double to order from local restaurants now on these platforms.
Steep carbon pricing is the only way to fix this... Only when a good chunk of your salary is going into carbon taxes will you choose to do things that don't have hidden carbon costs.