Depends on what you need from it.
Success: If you are casual raider then its a valuable tool that can be used to see content otherwise not able to be seen. Mediocre gear upgrade, that "feel" of a raid environment somewhat (ok people standing around shooting at the same thing).
Failure: If you are a hard-core raider then it opens the prospect of a fail-bot assuming they "know' the fight having seen it in LFR and therefor no need to read strats on it.
It's one of those things, if you don't need it, you won't use it. If you do need/want it, its there to be used. Just because its there doesn't mean you have to use it.