I wonder what they had against Riften and Falkreath in my previous game, then.

Maven Black-Briar in Riften, obviously, but in Falkreath?
mhm yes it is quite common in the little towns
morthal, falksreath riverwood, irvasted, shors stone, kynesgrove, dawnstar and winterhold all have a higher rate of dragon attacks because they arent closed.
now if you go to a closed town like markarth, solitude, whiterun, windhelm or riften the probability of it to happen is deeply descreased.
i just dont get it why dawnstar soo much for me? i bet that place is glitched..
i was in markarth before and the forsworn killer tried to kill margareth i killed him before he did it and then i fast travelled to dawnstar and a dragon killed a guard, then another guard from dawnstar came up to me and asked if i knew anything about this attack ( he was referring to the failed assassination in markarth instead"
it wasnt easy to get away from him because he kept asking the same thing over and over again, i seriously hate markarth but i think dawnstar for me is severely glitched.