Yeah.. that does not work for me. Either you set size lower than the others and then they work, or you set size ~equal with some and then all you get is size...
They clearly do ?something? but I can't figure out what...
In the free version the slider part of the number does nothing.
Left click and hold on the number (the "0"), then drag right and left. The number will increase going right and decrease going left. This is the actual amount that your character will scale with growth. (0-100)