[Twistyfiasco]

With all due respect you are quite incorrect.

Most people think and do use for to protect themselves from threats like all humans.

The issue was bringing the US style castle doctrine defence argument where some folks feel that since the intruder is trespassing they have carte blanche to murder them.

[psunavy03]

This is a complete mischaracterization of the Castle Doctrine. It simply means you have no duty to retreat when attacked in your own home. Using disproportionate force is still some flavor of illegal homicide.