Isn't this business model plain extortion? If you want to create an open-source adblocker, fine. That's your rights to publish that software, and it's within th

Isn't this business model plain extortion? If you want to create an open-source adblocker, fine. That's your rights to publish that software, and it's within the rights of users to run that software. But requesting money for making modifications against the interest of users to the default settings of that software is just sleazy; I can't think of anything that would make this sleaze illegal, but it's still no good.