That's a useful way to evaluate this. A visualization shouldn't be judged by how impressive it looks, but by what it actually helps someone understand.
If the same explanation works regardless of whether the bicycle has 1, 7, or 21 gears, then the model probably hasn't understood what needs explaining.
If the same explanation works regardless of whether the bicycle has 1, 7, or 21 gears, then the model probably hasn't understood what needs explaining.