You're saying a tree of FSM states is more difficult to convey than linearized coroutine code, with emphasis on informal programmers/designers? You may want to

You're saying a tree of FSM states is more difficult to convey than linearized coroutine code, with emphasis on informal programmers/designers? You may want to take a look at visual FSM solutions, which do what you specify and more, easily. You're not even wrong. https://unity3d.com/learn/tutorials/modules/beginner/animation/animator-scripting https://unity3d.com/learn/tutorials/modules/beginner/animati..., for an example in an Animation program