What would another James Webb Telescope would have cost? Far far less then the first. Sure it is costly to destroy a prototype, but not as much as you think.
Well Jaguars are very limited in numbers. So of falling risk to be eaten by
one of them is low. If it would be high, then there are to many and hence they would decline due to lack of food soon. Plus human is not in their hunting scheme and rather offsetting smell.