Wrath of God targetting question

[Vicious Love]

Peter Ebbesen said:
...I always thought that it affected the entire world, and performed separate checks in each province based on dominion; i.e. that several provinces (belonging to one or more players) could take casualties each turn and that each province had a chance based on dominion strength to be affected each turn. Hard to gather enough empirical data except through a lot of work, though.

If true, that'd definitely account for the apparent bias. It'd be very hard to test precisely, but it shouldn't take too many turns of testing under controlled sandbox conditions to get a general, not-too-fallible impression of whether or not mages are more vulnerable to WoG when alone in a province.