I think that pendulum move is rather intrinsic for Superman, due to the way the character has been constructed. He is adopted, and both essentially American and essentially alien at the same time. That dual nature is, I'd argue, the most interesting thing about him. A specific writer or a specific story can of course focus on one or the other, but I think Tom King was really into something in Heroes in Crisis #2, when Clark is halfway in his transformation to Superman and talking to Sanctuary:
"But if I adjusted each to be further away from me, then which one was I? Or was I neither? Is Clark Superman trying to be flawed? Or is Superman Clark trying to be better?"