The basis for this is an undisclosed trademark letter from a 3rd party. The company in question may or may not want the map taken down. However, the article offers scant evidence for the headline claim. That is why it is clickbait. It promises something large and delivers something minimal.
The security researcher in question has certainly made a splash however. Promising new levels of people mad at Flock is definitely the way to create some bona fides.