[itronitron]

Unlocking a cart is a foreign concept in the US. Not sure if the parent is in the US but any grocery store that has locked carts there is doomed to fail.

[hn_throwaway_99]

The entire article is about how Aldi is growing like crazy in the US, and explains why they have locked carts. A far cry from "doomed to fail".

[itronitron]

Props to Aldi then, they are definitely disrupting supermarkets.

[velcrovan]

I'm in the US. People catch on pretty quick if it will save them money. Which it does. Our Aldi is pretty much always busy.