With almost every consumer product today. Cars are a great example at thousands more that can and do fail yet you paid or are paying continuously even if it's in the shop.

I can't answer why you didn't get your new laptop as I am not a Dell employee or rep but one time here in these very forums a complaint was made about a tardy delivery and the member did not think the flooding over the entire state of Nebraska which shut down all the interstates should have delayed his shipment (in Nebraska.)