> Nonsense. The castle doctrine only lets you kill trespassers if they are threatening your life.

Depends on the state. In Texas using deadly force is permissible to stop crimes like robbery. https://legalclarity.org/in-texas-can-you-shoot-someone-on-y...

And there was a case where it wasn't even the homeowner, it was the neighbor who shot the burgulars

https://en.wikipedia.org/wiki/Joe_Horn_shooting_controversy