The trainers treat the whales the way most people treat their pets. They are fed plenty of food, are weighed daily to ensure they are not suffering from any illnesses and they "play" with them every day. They get treats and toys to play with and the trainers dress up in bright colors or costumes and the orcas follow them around and love it. The trainers collect urine and stool samples daily to monitor their health. Aside from that, PETA would do more harm to the orcas by releasing them into the wild, because they were either born in or have lived in captivity where they don't have to hunt down their food. Most, if not all of them would die in the wild. This is just stupid on their part.