Please sign and share the petition 'Tighten regulation on taking, making and faking explicit images' at Change.org initiated by Helen Mort to the w:Law Commission (England and Wales) to properly update UK laws against synthetic filth. Only name and email required to support, no nationality requirement. See Current and possible laws and their application @ #SSF! wiki for more info on the struggle for laws to protect humans.
Since there must be one matter or issue being debated, any consensus begins from a sympathetic point of view with the power structure that decides it exists or that (at least) it is time for debating and voting. A dissensus may begin from the assertion that the concept is not worth debating or discussing - but of course it cannot be ignored if those debating it (sysops) will make a decision that affects also the trolls.
Within the frame of any one decision:
Unanimity minus two has a certain advantage as a level for use in a wiki. It may become the standard level for most decisions of the Consumerium Governance Organization, simply because it reflects what goes on in an wiki revert duel so perfectly.