Do you seriously think these guys haven't heard of Project Orion or wouldn't use Orion's approach if they thought it was best? In case you didn't notice, Freema

Do you seriously think these guys haven't heard of Project Orion or wouldn't use Orion's approach if they thought it was best? In case you didn't notice, Freeman Dyson is involved with Starshot. Freeman Dyson co-led Project Orion.