who uses the ultimate liberal move (a strongly worded letter)
It wasn't even a strongly worded letter, it was a note containing what was basically just a snarky twitter post that he tricked Superman into reading, and his snark was such a cognitohazard it made Superman abandon all of his values and beliefs instantly.
They are greeted by Lois Luthor with the last weapon, a small note written by Lex that reads: "Why don't you just put the whole world in a bottle, Superman?"
It wasn't even a strongly worded letter, it was a note containing what was basically just a snarky twitter post that he tricked Superman into reading, and his snark was such a cognitohazard it made Superman abandon all of his values and beliefs instantly.