They are well and truly alive. I went to see the new Dredd film just before christmas, and that film is violence taken to the max. Lots of really brutal deaths, done in slow motion with no cut aways. You see a guys face blown apart in slow motion HD, it was pretty awesome.
Not to mention the latest Rambo film was pretty much 40 mins of lifeless acting, and the rest was a kill frenzy. Watching the 50.cal just rip people up was orgasmic.
Ultra violent films are still being made, but less so with known IPs.
Dredd failed to cover it's production budget, so you can see why producers have been dissuaded from ultra "hard 18" level violence, especially when no big names are attached. Tarantino is probably the only person that will have any kind of success with a big budget ultra violent film