@JoNdule What are you trying to dispute? The idea that Zoro could surpass him? Because for all intents and purposes Roger is pretty much a swordsman. Even if he looked like a mixed fighter at first when he had a flintlock in Chapter 0, it is pretty clear he leans on his sword more in battle. Zoro’s goal doesn’t have anything to do with Roger anyway and has much more to do with surpassing Mihawk, whether or not by the end of it Zoro matches Roger’ level or surpasses him in overall power remains to be seen. But by Shonen standards it wouldn’t be a surprise if he does, the reason won’t be because Roger is a swordsman because he has had nothing to with the WSS narrative this entire time.
Shanks is a different story, he literally had “duels” with Mihawk and the VCs imply Mihawk is waiting for the guy that will surpass Shanks.