When you search Amazon for "face mask," this is one of the first listings, and gets the special "Best Seller" and "#1 Best Seller" badges:
But pay close attention to the listing:
And the reviews concern a refrigerator part:
Wednesday, March 25, 2020
Check out the apparent hijacked listing for the #1 seller at Amazon in medical face masks
Posted by
John
at
4:39 PM
Labels: amazon, the algorithm