They mention that. "But why is Threes better? It’s better for us, for our goals." and then later: "that’s what’s better to us as game designers. We worked real

They mention that. "But why is Threes better? It’s better for us, for our goals." and then later: "that’s what’s better to us as game designers. We worked really hard to create a simple game system with interesting complexity that you can play forever."