>>53366036He's being placed in scenarios that parallel well-known scenes from the OS to show how much he's learned/grown/changed. Eps 2 and 6 of MPM are pretty blatant examples of this, but there are probably more subtle nods that I didn't catch.
Of course, they could undercut that all in the ending, but that's not the vibe I got from the interview with Yuyama. He made it seem like they were going pretty heavy on fan service, and wanted it to give a finality to the story, with a hint of the future.