I agree with the premise that the tradition/artistry golden/CV/GP spam playstyle is a bit one-dimensional. It's fun and there's plenty of interesting decisions to make, but the overall plan is very similar every time. However I don't think these changes are big enough to do anything. Tradition+artistry GP turtling would look almost exactly the same, and I would still choose fealty/statecraft over artistry in the same games I do now. I think shaking up the GP/GA/CV turtle style would require broader changes involving the other trees. The nature of tall GP strats is snowbally and you just want to get more GP stuff, which the other trees don't really offer.