Comfort And Happiness
They were aware that no facility could take care of all these animals. They already went through a tough time, so they wanted these creatures to be comfortable and safe. It was the least that they could do.
Their Entire Lives
It really is not a good idea to release them into the wild just yet. For one thing, they spent practically all their lives inside the abandoned house. If they released the radiated tortoises in their natural habitat, there was a good chance that they would only die or get caught by other poachers. What a sad fate.