That type of delivery is an option for more expensive goods. You can also sometimes pay more to require a signature for delivery.

Overall the rate of package theft is low though, so people prefer the convenience and low cost of normal package delivery.

The US is big and diverse. Most areas have little to no package theft. However, if your home has a very exposed front porch and you live in an affluent area very near a not so affluent area, theft can be more of an issue.