You also have the customer support overhead. People will demand refunds. They will claim the purchase doesn’t work on their broken hardware. There will be fraud

You also have the customer support overhead. People will demand refunds. They will claim the purchase doesn’t work on their broken hardware. There will be fraud where people use the service to test stolen credit card. There is also the staffing element. Maybe the engineers or product people are interested in resourcing a product with no career growth. There is a hefty on-going maintenance cost for these stores.