Considerations such as motives, circumstances and reasonably foreseeable consequences, are simply disregarded.
All morality is seen simply as absolute rules.
This position would be a little less unconvincing if the absolutes were specified sufficiently. The point of this article is to suggest that they are not and if we suppose that an omission can be ethically as bad as an act having similar consequences then the omissions acquire ethical significance. Thou shalt honour they father and thy mother. Thou shalt protect and gude thy children and, at all times, respect them as persons. Thou shalt not kill.