They dont need to go to Lodestar to find out about the RPs and stop their journey like Roger. Thats all Inuarashi was saying.
They still need to go to Lodestar because its the last island they can reach with a log pose. Laugh Tale is after it:
Circumnavigating the globe, by definition, means that they go around the world. Lodestar doesnt let them, but traveling to Laugh Tale does.
Which means Laugh Tale is after Lodestar