It is considered to be inspired through the personality and point of view of the writer, scribe, speaker, whatever, not direct, and must be interpreted. The terrorists and their madrassas are of course not interpreting and that is their mistake. So, that premise is generally incorrect and misleading and the rest of the essay fails.
Im sorry but I disagree with this.
Islam divides all human activity into five categories from the permitted (halal) to the sinful (haram), leaving little room for human interpretation, let alone ethical innovations.