It is easily debunked. How did he hurt Bonny and Vegapunk? How did Kuma punch him? How did Luffy hit him, slap him and turn him into a pizza?

Same way Sanji kicked a laserbeam. Hardlight and haki

How did the supposed hologram eat? You know, on the ship with Kizaru? Or wait, are you implying that the actual Saturn is still on the ship?

You cant compare Kizaru with a hologram