The Gore Pour Factor seems to affect the figure modelling fraternity to a greater degree. I remember one vignette of an SS man sitting in a ruined house with his leg blown off above the knee. Realistically he probably would have been dead. A total turnoff.
If I thought these modellers were of my generation, I'd suspect that they drew their inspiration from the Topps Civil War News cards popular when I was a boy:
Blood, blood, blood!
Aviation modellers have to give pride of place to the aircraft, which discourages going too far in that direction, although I suppose you could do a real crash scene, with debris and bits of meat everywhere. AFAIK no one has, as the aircraft would have lost its recognizability, and overall, it would be pretty dull.