Instead of obtaining all 4 RPs, why did none of these 3 ever try to capture Rayleigh and try to torture the info out of him? Even if the reason is that Prime Rayleigh is on their level, so they didn’t want to mess with him for that reason, they have their crews to back them up and guarantee that they could beat him easily. Big Mom at the very least would probably have known through her intel network that Rayleigh is on Sabaody