At least both of those generally carry the kid friendly moniker.And Pokémon to Paper Mario is?
Of course, the big guys likely just think that kids don't care about leveling up in Mario anymore and try to come up with alternatives.
And...are they wrong? If it was your first RPG, you probably wouldn't even know it existed. Honestly, levels might also be tricky to balance. Besides, Paper Mario level ups were always kind of...strange. They took the bonus thing from RPG...and made it the whole level up.