I would have no objection to a seperate forum where some of the more extreme guro stuff is permitted (and given that the vast majority of the members here are probably not particularly squeamish, I doubt that many others would either), but of course I'm neither an admin nor a moderator so it's not up to me. On the flip side, there may be practical reasons regarding the legal position of the site hosting such content as to why the more extreme stuff isn't allowed here.
It's not for me to decide, but personally the gore doesn't bother me, and it's very easy to just not look at the stuff you don't like