From article:
If you have the Brave Browser installed on your Windows devices, then you may also have Brave VPN services installed on the machine. Brave installs these services without user consent on Windows devices.
More reason to ditch the crypto bro browser.
If I recall correctly, it was meant as a measure against fingerprinting. It’s basically one less thing to uniquely define a user based on the info that the browser gives to a website. I’m not sure if it’s still like that, cause it’s been easily a year since I used LibreWolf.