Watch Malwarebytes catch threats that other security companies miss in real time on this remediation map.
www.malwarebytes.com
Which turns up in other sites like Digital Trends, so yes, it's a form of "indirect" advertising. Dunno about its browser extension but the data is there, the online vendors know what to do with it profitably, and the average user doesn't. If you interact, like on forums, you will likely provide advertising for entities anyway. This place alone is a smorgasbord of software advertising. Trying to keep your digital footprint nonexistent is futile.
I'm curious because Privacy Policy does not talk specific re browser extension. Privacy Policy does not talk re "anonymous telemetry" that browser extension asks for.
Do you have "Send" box checked?
Where does it start with Privacy vs Security, from the user themselves, knowledge & how they act on the net, how they think alongside daily habits, everyone is different with this regard.
~LDogg