Originally Posted by StuckInYYZ

By that same logic, if an un-headphoned (or however you want to phrase it) "viewer" is so obnoxious, why do so many airplanes not have a built-in IFE in them and instead have the passenger use their own devices where they give up control.

It'd be better if they make the announcement that passengers should be considerate of their fellow travelers and cover all their bases.