Well, again, it's cause you're in Ravenloft - the rules change accordingly. Since you're deep in the Ethereal, to begin with, and you're being yanked out of it, it stands to reason that you're screwing with the 'natural order', and that in turn is a deviancy. Heck, there ARE some cultures in some settings that consider resurrection magic to be an evil, due to the whole 'sanctity of life and death' thing. This is just one of those occasions. Plus it's the fact that you're knowingly risking creating a zombie or a vampire if the subject were to fail to resurrect properly.
So yeah.. To be honest, I wouldn't complain if they did apply it - they've already gone halfway there with adding the whole 'fail to resurrect right, come back as zombie' dealio. If nothing else it'd greatly reduce the resurrection abuse on the server, and add a whole new level of uncertainty to the whole 'fear of death' argument. I mean, heck, just cause it's a PW server, doesn't mean that people can resurrect willy-nilly; that's just a comfort given to the players. I've seen zombie survival servers that were PW and they were literally 'you have one life - if it's gone, you're out, make a new character.'
Not saying this server need emulate that, but.. y'know.. again, the main cause of death is how overpowered the monsters are. If the monsters were less overkill, and the gear less powerful, and the consequence of dying was raised to such high stakes.. I dunno, it might have an effect. Who knows. I'm just spitballin'.