Well, genius is 1% inspiration and 99% perspiration, in the immortal words of Thomas Alva Edison.
And what if he gets a new cat, or his cat switches to a different kind of prey?
From the outside, it might seem as if he is enslaved by his pet.
I don't see the issue, this is the explicit contract of having a cat for a pet.
I think many first-time cat slaves would disagree