@WiliemDemon Greetings WilliemDemon
I believe you are correct on the fact for permanent pets. Though I know that they can change the programming structure to fit whatever needs they have. If we get enough people to recognize the value of something, eventually something will pull through with the developers.
Though I believe why they do not do it is simply the ability for an entire group to accomplish a raid with all the pets. Just food for thought.