Oh no thats what Drumz meant by Oda copying from kishi. Kuzan sacrificing himself and gives Coby his devil fruit to protect the future marines and citizens of the world.
In an emotional double spread we can see Kuzan using an unknown object to kill himself and extract his own devil fruit ability and puts it into a fruit." (He learnt this trick from Marshall d. Teach)
The authors comment "a tribute to the itachi and shisui uchiha scene where shisui gives itachi his left eye"