Earlier quoted context omitted.
> Being lawful-evil person The word you are looking for is "sociopath". Oliver Wendell Holmes' "bad man" is an analytical tool, not a recommendation. There's nothing inherently evil about the mood-detection feature you have described, provided it is deployed with continuing and informed consent from the user. The feature is already deployed on billboards in public spaces, although this instantiation is evil as "users…
Existing implementations only detect moods and collect data for analysis, my idea is if you're just going to do open-loop brainwashing, you don't have to know users at all so it could be done without "invading privacy". > sociopath ok, I mean no harm to humanity, but, um,
I don't think many people actually subscribe to that ideology, but enough do that it's worth challenging whenever it is articulated (as it seems to have been in your comment).