Agreed. I think the whole philosophical discussion of this question is mainly complexity introduced by humans; we invented the definition of word and now expect

Agreed. I think the whole philosophical discussion of this question is mainly complexity introduced by humans; we invented the definition of word and now expect every animal to formally adhere to our definition of what "empathy" is, or be declared "without empathy". Especially when there are plenty documented examples of animals disregarding their own security to help another animal in distress (including humans): https://www.youtube.com/watch?v=7AkANQls234 https://www.youtube.com/watch?v=7AkANQls234 https://www.youtube.com/watch?v=Dn9SC61Bd7I https://www.youtube.com/watch?v=Dn9SC61Bd7I https://www.youtube.com/watch?v=_daN5_pUlnE https://www.youtube.com/watch?v=_daN5_pUlnE