I'm not sure where I would find the data to back this up, but since it seems like an across-the-board change I imagine the labor savings have proven to outweigh (heh) the inventory shrinkage.
To me, the Uniqlo system where everything has an RFID tag and the machine just automatically scans the contents of your basket is the platonic ideal but I know that comes with issues of its own in different retail contexts.
- something we've been doing since forever
- the latest trend that can be picked up just-in-time if you'll ever need it
For instance, in a lot of threads on some new technology or idea, one of the top comments is "I'm amazed by the negativity here on HN. This is a cool <thing> and even though it's not perfect we should appreciate the effort the author has put in" - where the other toplevel comments are legitimate technical criticism (usually in a polite manner, no less).
I've seen this same comment, in various flavors, at the top of dozens of HN thread in the past couple of years.
Some of these people are being genuine, but others are literally just engaging in amigdala-hijacking because they want to shut down criticism of something they like, and that contributes to the "everything that isn't gushing positivity is negative" effect that you're seeing.
> To find the most informative examples, we separately cluster examples labeled clickbait and examples labeled benign, which yields some overlapping clusters
How can you get overlapping clusters if the two sets of labelled examples are disjoint?