In the lightning thief, in chapter 16, how does animal abuse depicted in the chapter and it causes to people and neglected animals?

They wake up and the truck drivers come back to check on the animals. Grover reports that the lion says these guys are animal smugglers. Percy is able to speak to the zebra, since horses are within Poseidon's domain, and it asks him to open the cages and set them free. Grover places a satyr's sanctuary on them, ensuring that they will be safe wherever they go. The questers run away from the truck and into Las Vegas, where they find the Lotus Casino. In the casino, they are given the key to an enormous hotel room and told they can play unlimited games for free.