Alex Weitzman
Got Opinions?
To add to the reasons why it was better that Cadmus used Galatea and the Ultimen than nuclear weapons, consider that it is superpowered individuals that are the real currency in the conflict between Cadmus and the League. Like the Question said, it's a superpowered arms race, which makes superpowered the metaphorical equivalent of nuclear weapons. By Panic in the Sky using them to attack the Watchtower, it essentially is the equivalent of the United States during the Cold War deciding to send a huge payload of warheads into Moscow.