Also on brand for GNU, (edit)supporters who downvote but don't want to contribute to the conversation. For example, if a traffic light has no free software, how

Also on brand for GNU, (edit)supporters who downvote but don't want to contribute to the conversation. For example, if a traffic light has no free software, how is the end user supposed to care? Am I somehow harmed by stopping at a red light? I see this similar to background scripts, who's license has no direct effect on the end user. Making the effort to explain and defend your pitch seems like just common sense if you're trying to convert the unbelievers, no?