Kaiju-a-gogo doesn't really do anything ground breaking as far as the mobile market goes. I mean, it could be executed really well but you can't know that until the thing is actually released. Just about anyone can claim that their game will be really good.
Last time I checked K-a-g is a PC game, with mobiles being a maybe.
But in general, you are true. You never do know, regardless how nice the trailers look and what reputation the company has (ME3 anyone?) It's always a gamble.
With Kerberos I kinda put my chips on their games being fun. They may be buggy on release (tough that was a SOTS2 issue mostly. I don't recall ever having any bugs or problems with SOTS or The Pit, and I modded the living s*** out of them), but bugs can be fixed.
Bad gameplay/universe/story/mechanics are a lot harder to fix.
Arinn also shilled for the need to release SOTS2 in the state that pretty much destroyed Kerberos' reputation, and was a dedicated apologist for it. One can blacken personal reputations as well as those of companies.
News to me.
I'm hanging out on Kerberos forum and I don't recall Arinn ever saying anything different than what she is saying now.