> Hijacking the screenshot process is a privilege that you ought to be able to revoke, it's insane to allow software to be given more control.
It should not exist as a control in the first place.
I know it may sound absolutist, but the way I see it: if you allow this as a user-revocable permission, then the very apps that need to be screenshotted by users most often will be the first to refuse to work at all unless you grant this permission.
Screenshotting is an system operations level feature. Apps should be neither aware of, nor able to interfere with, a screen capture being taken.