I had the same thought and picked her up! Plus you will get the bonus gems once you get the other whale.I thought the same thing too at first. But then I keep going back to my rationale of "why the hell am I hoarding fake gems that are meant to be spent in the game in the first place?" and I picked her up. What's the sense of meaninglessly sitting on 1,000 imaginary gems? I'm getting, on average, 12 a day from parades and the videos, so by the time the next event rolls around, I'll be stocked up once again. There's nothing else to be spending them on except characters anyway, so why not?