No offense, but that ruins the entire point of Leia reaching out to Kylo before he hurts Rey. It has to be the first time she does such a thing so it’s shocking enough for Ben to stop him in his tracks. Plus, her doing such a thing would require “all the strength she has left”, meaning she’d be dead before Endor. The reason it has to be Luke is that he isn’t confined to the rules of Force projection anymore since he’s a ghost.

Plus, Luke never “taunts” him with that dialogue, he’s literally just speaking facts. Reminding him that his grandfather chose love in the end over hatred - which had only ever taken and pushed others from him. In my mind, it’s essential that all 3 of the legacy characters show genuine compassion and care in order to redeem Kylo in this movie. Luke would demonstrate it first after Chewie “dies”. Then Leia shows it by reaching out to him one last time before she dies. And finally Ben is able to see his father again and admit that he was sorry and loved him all along.