Adware will continue to be able to legally circumvent extension signing when it has root access and consent by the user. This only makes it prohibitive for users to customize their own browsers.
It's also possible to make this setting configurable only from the browser UI, where you get a chance to educate and properly warn your users.
They also want to restrict the config option on Linux, where the adware problem you describe is not really present.
It's also possible to make this setting configurable only from the browser UI, where you get a chance to educate and properly warn your users.
They also want to restrict the config option on Linux, where the adware problem you describe is not really present.