> If you destroy the demand for a service, the supply will naturally fall, but the core issue is more complex as the quote below highlights what the main problem is:

Alternative take: the demand of the service "sloth-as-pets" could lead to their domestication/breeding in captivity, like the Cobra Effect (https://en.wikipedia.org/wiki/Perverse_incentive)

That's another reason I'm not so concerned for endangered species humans find yummy/cute/(...): there's a strong financial incentive we never run out of them!