>>212783869Supergay is literally 100 years old and has been written as every possible variant of himself. If I'm not wrong silver age Superman was similar-ish to this, where his parents wanted for him to be a benevolent ruler of Earth, just with slightly less nefarious undertones I guess.
Plus in the movie that plot point isn't really used subversively. Superman is pretty distraught when he discovers the rest of the message because he had been basing a lot of his own morality on the first half of this message and what he thought being kryptonian meant. In the end he realizes that the people who instilled good values in him were his adoptive parents, and the movie ends with him watching videos of his childhood with John and Martha Kent.
Honestly, there's not much in the way of weird sneaky subversive shit, it's mostly just a feel-good action flick about a relentlessly good guy wanting to do good thing. The only "woke" point is absolutely overt and not sneaky at all, and it's the conflict between "not-Israel" invading "not-Palestine" to bait Superman into intervening, thus attracting the ire of the US government and giving Lex an excuse to try and kill him.