There's a difference between "the smallest unit in the game is 1, which includes a variety of creatures" to "a galaxy is smaller than a city". Even if the numbers don't make sense going from 1 to 2, from 2 to 3 and so on, the relative sizes should be ordered.
If Timmy wants to play a big ass creature and his big ass creature is actually really tiny ackstually because the developers constantly mismatch the scale of the game, how does he feel?