I love how people say carnage / combat is easy to shutdown. It absolutely shouldn't be. Precision / gore is on a 9 second CD, you have a stun (which absolutely should be used for a zerk / zen ravage window), and can pop out of camo and start a rotation.
Hell, a good combat / carnage marauder can root their opponent at 10 m w/ 2 utilities and then precision / clashing blast / dispatch for 27k dmg at 10m. I play combat sentinel and never find myself getting shut down "easily".