That's just how RNG works, the odds are probably fine.

Some will get extremely lucky and others extremely unlucky.

Whoever made the full squirrel mask awesome job, the animated ears are a very nice touch as well.

Hopefully there are plans for non-Animal themed capsules in the future while they are still cool themes that a lot of people like there are some other themes as well that would appeal to a lot of people such as sports, Japanese (lots of weeaboos on Graal), even themes like how the Christmas gifts are categorised (cute, tough, etc).