This would give having a personal chocobo more sense as opposed to the idea of only being able to ride it. We have rental-bos and personal chocobos, and to my current knowledge, they are going to end up serving the same purpose.

However, Chocobo Knight would be great! Could probably be a sub-class like how the shield works. You level up Chocobo Knight + Weapon Equipped, get to use Chocobo Abilities (only while on Chocobo) and other Crossclass Abilities. Would make this game very interesting.