On the one hand I think it would be a nice gesture by the devs to give you the pet but like farm said it does kind of defeat the purpose of the chance, I got mine after three gos I think and I was never going to spend any more money on it because it's not worth it, you're just one of those people who are extremely unlucky in this case
Don't spend any more on it, the devs will just be laughing at you in the end