But the state never formally adopted those (landslide) maps after some city and county officials complained that the maps represented a regulatory headache that labeled too much area as hazardous and might restrict development.
This is a great article on the social aspects of landslides. Here, they have landslides that kill people all the time, they mapped these zones, and the city didn't want to restrict development!
So, the last landslide hit a house that was under construction. One comment was interesting, that even if you did everything right, you still had the chance that your sloppy neighbour would slide into you!