I don't know how people can stand to eat eggplant.
Every tradition has its elaborations, it's huge temples, giant statues, mythical legends and large bank accounts. Theravada, Mahayana, Vajrayana, it doesn't matter. These are mere ashes, ashes accumulated over 2500 years from all over the world.
They are not what makes Dhamma complicated.
If these things bother me [...]
If I claim that my Buddhism is right and yours is wrong, that one is simple and the other complicated, then I am following a Buddha who hasn't yet transcended dualism.