In the letter, SeaWorld told Harry that, "We want you to know we love dolphins too. We care for the animals in our parks like we would our own family." Is SeaWorld suggesting that they keep their own family members in captivity?
By sending this letter, SeaWorld joins the ranks of many fans who have sent letters to One Direction over the years: They will most likely never receive a letter back.
If SeaWorld sincerely wants a response, they should consult this WikiHow page on "How to Get One Direction to Read your Fan Mail and Reply."
If you want to learn more about The Dolphin Project, you can read more here and follow Lincoln O'Barry on Twitter.