What's over-simplified about that statement? That's a perfect summary of Buddhism - it encompasses the point completely without going into techniques.
The only part that's missing is "...with the goal of avoiding suffering".
The only part that's missing is "...with the goal of avoiding suffering".
To the parent: actually I think this "death of decoherence" pretty closely matches the Buddhist doctrine of interdependent arising, so not sure about the disagreement there.