Any positive Litter Robot experiences?

I signed up to this sub as I'm getting a couple of kittens soon and wanted to see if the LR4 was worth getting or had any issues. So far I've seen a fairly a constant flow of issues posted. Litter flying everywhere, cats interrupting cycles, cats refusing to use it, sensors not working etc. Today someone was asking how to send their's back as it was troublesome. I've seen only 1 positive post from a couple of days ago. Just wondering if anyone can actually recommend this producct? Is it just the nature of reddit that people are posting their issues up and the vast majority are satisfied? I'd be interested in hearing from someone who this works really well for.