If the Higgs really does kill everybody, the anthropic principle should make it impossible to create. Which would be pretty cool, but- Friends don't let friends prove the theory of Quantum Immortality.
Want more? Think about this: If the idea of QI is valid, and the Large Hadron Collider keeps breaking down when we try to power it up, it would solve the Fermi paradox. To achieve technological development to the point of electromagnetic communication, you'll need curiosity. And that same curiosity would eventually lead to the destruction of your species.