I doubt that you played their games enough to make a conclusive statement about their games. I find it a little bit unfair to draw any kind of conclusion based on a couple of 100 spins. My impression is that at least Satoshis Secret is nicely designed (based on dunovers review).
It might be unfair , maybe im pissed cause every new game developer just eats my money without any returns, and it feels really frustrating... (thunderkick, yggdrasil and now this) It just feels every provider just makes games tighter and tighter...