More importantly, it appeals to the heart well. Superdonor conveys the feeling of power – you can be super in your donations! Superdonor conveys an especially strong degree of generosity. Superdonor conveys a feeling of superiority, as in better than other donors.
That sounds like appearling to the gut and not the heart.
That sounds like appearling to the gut and not the heart.
Appealing to the heart through the gut might be an apt metaphor.