or make a post on the Ensemble thread, saying, hey, i like your cc, but i think for shadow spec it can be improved, by doing "This, this this and this" you can make it really awesome.
instead of just complaining to complain.
You must not have used Ensemble very much. When it is tweaked, it is great. I can take on 5+ mobs (Uldum) while using GB2 with no problems. I turn off the mindspike rotation by filling mindspike options with zeros. I tell it not to pull with Mindblast. Enable Mind Flay Shadow Word Death and tell it to use SWD at 11%. That's literally all you need to change and it'll run just fine.