They’re predatory scavengers that wouldn’t hesitate to eat you if it had the opportunity. I would much rather conduct biomedical research on sharks than mice or rats.

Ah yes potentially getting us one step closer to immortality, hardly worth killing an animal!

I mostly eat vegan because I do have a strong dislike of factory farming and the way animals are treated there. But killing animals is a fact of life and I think scientific progress is a very valid reason to do so.

To put it in perspective, a lot of shark young will kill each other in the womb such that only the strongest is birthed. These animals eat other animals alive, etc.. etc.. My point being it is not like the option is between a rosy utopia or human-inflicted suffering.