This seems like a bad idea, mostly. I think there are ethical frameworks in which technologies should operate - just as a newspaper should not put out a full page advert calling for violence against a person or group - but "morality as a feature" sounds obviously dystopian. Once again someone is calling for power to be moved away from people and centralised. What's labelled "morality as a feature" could just be "de f…
Were you reading another article? The author of this one is not "calling for power to be moved away from people and centralised". Nothing like that argument at all appears in the article.
The tl;dr is that a system that enforces moral communication would involve centralisation of what is considered moral.