"The last major event on that fault occurred 250 years ago, so if the fault snaps, it's going to snap by 1.7 meters, and that's about a magnitude 7 earthquake."
VOA: standard.2010.01.13
so you can't put one person to fault for what's going on.
If Christianity has declined in the West, it's the fault of the Christians who stopped going to church -- not the small groups of Muslims quietly attending their local mosque.