Interesting, I had not heard of this theory.
The Sea Peoples were only a part of the reason, the other reasons included climate change, volcanic eruptions, disease etc. https://en.wikipedia.org/wiki/Late_Bronze_Age_collapse
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The Sea Peoples were only a part of the reason, the other reasons included climate change, volcanic eruptions, disease etc. https://en.wikipedia.org/wiki/Late_Bronze_Age_collapse