Yes, most likely it is easier, or it will be. There's complex bits in the architecture and I feel their strategy is to get an ecosystem going where libs, frameworks and tools are built by 3rd-parties. After which app development is more like solution design with very comprehensive docs that guide the way.
AS/AP is like a picture of earth from the moon, while ATProto is more like a roadmap you can unfold. It is a different level of detail and holding hands.