Ramona Shelburne, now a BS report regular it seems, has really impressed me lately. And recently she had a great point about narrative arc of players careers.
And a third team, that's against narrative. Jordan, Bird, Magic, Russell..you've got to go to Wilt to find a 3-team player in the pantheon. In the modern era, Shaq is the closest parallel.
Like you, I don't see LeBron going to another team besides Cleveland if he leaves Miami, which he won't. This 'taking meetings' is theatre to try to get Miami to a place of sustained contention.