It seems pretty clear to me that “evidence against quantum immortality” refers to evidence against the theory that predicts the subjective experience referred to by “quantum immortality”.
That would mean “evidence against quantum physics”. (And I’m actually not even sure it would count as evidence against quantum mechanics.)
It would be good to consider the possibility that someone may use a word somewhat differently than how it is defined on Wikipedia, before telling them that their argument is just incoherent.
That would mean “evidence against quantum physics”. (And I’m actually not even sure it would count as evidence against quantum mechanics.)
Tim’s reply is not based on semantics.