The problems all really come down to what people want to do with powers.
If people would just play games about foraging enough nuts and berries to stay alive, and finding a way not to freeze when it's cold then every thing would make perfect sense, as Gaia intended.
We should just be trying to make better pointed sticks, not glow like fires in the sky.
And the rules are cluttered up because we have added all this nonsense to nouns and verbs.