(Not optimistic, but I figure it's polite to ask rather than assume malice by default:) How do you intend to insure that your software cannot be used to deny a

(Not optimistic, but I figure it's polite to ask rather than assume malice by default:) How do you intend to insure that your software cannot be used to deny access to porn (and other objectionable content) to users who do want to access it, especially but not exclusively minors whom the software is used against by their legal guardians or other 'legitimate' authority figures.