They don't really want to unlock your house and your car, just one of them. Assuming that you don't have some secure alternative for receiving packages. I don't think they expect (or want) every customer to use one of these options.

I wouldn't use either service since my porch is relatively secure and packages can be left out of sight -- I have a porch-cam, but have never lost a package to theft.

I don't think I'd be comfortable giving Amazon the ability to unlock my house, but maybe my car. For that matter, I wouldn't want any kind of cloud-connected lock that gives any remote unlock capability. I do have an electronic keypad lock, but I like knowing that it can only be unlocked locally.

You should have been /be creeped out by on-star if anything. Every on-star vehicle can be tracked within the triangulation limits of cell towers (aka. within half a mile if not better.)

Opening my car concerns me less for privacy and in basically every way than opening my home. I'd make sure any firearms were in truckvaults, but while it's possible the Amazon guy would steal the trauma bag out of the trunk, it seems relatively unlikely.

It would have to be a car with a trunk, vs. a SUV, if left parked in a place like San Francisco, though, due to risk of theft by third parties.

Maybe they could start building apartments next to distribution hubs?

To me, no. I don't keep anything personal, or of value, in my car. There's no risk of the delivery man seeing me walking around in the buff or seeing me in an intimate moment.

This seems like a solution to all the people who thought unlocking their house was too creepy. They don't want to unlock your house and your car. This is an alternative.