Arguably the extreme weather could have altered his mind and he made irrational decisions because of hypoxia. But you take responsibility of the actions you take after you chose to drink alcohol, so I presume atleast to some extent for known and consistent conditions that should have been accounted for you take responsibility for the potential altered mind state.

Cats must only be indoor pets. We can easily separate pet mice and rats from their feral counterparts and we need to do the same to cats. And I am a cat person big time.