Adversarial compatibility is a good thing for users.
If the site doesn't want to implement what your extension would do then either they will try to shake you down, buy you out, or implement the feature on their site. The latter two seem like a positive for you.
Comments
actually the extension targets one specific site and they wouldn't really be happy about it
it's nothing nefarious but it's adding a feature that they refuse to add to their websites because it could hurt some of their numbers
Adversarial compatibility is a good thing for users.
If the site doesn't want to implement what your extension would do then either they will try to shake you down, buy you out, or implement the feature on their site. The latter two seem like a positive for you.