Now even the WSJ has clickbait titles. Should have been "Google price-checking system annoying merchants".
* Baseball Stadiums Are Closed to Fans - but This Guy's Balcony Is Open for Business
* Americans Craving Contact Ponder New Rules for Throwing a Party in Real Life
* When Your Best Friend in Quarantine Is a Squirrel, You May Be Going Nuts
* Beware of Falling Tofu: China Takes on High-Altitude Littering
* Did You Forget Things During Lockdown? So Did People With Superior Memories
In that context I don't have a problem with the title "Who Is the Mystery Shopper Leaving Behind Thousands of Online Shopping Carts?".