I think the controversy about this movie being woke is insane, but I don’t think your post is accurate either. He’s not “literally” an allegory for the immigrant experience, though you can draw parallels to that and certain parts of his story. I mean the first comic, he gets sent from a planet that wasn’t even yet named krypton, put in an orphanage and adopted, and then starts doing cool shit. How is that an allegory for the struggle of immigrants?