I wonder what’s the % of players that use nukes in games like Civilization (I know I used them at least once on every game I made it far enough to have the technology)

Ghandi notoriously nukes EVERYONE in Civs 2 through 4. It's become (or maybe became, but it's still all training data) a huge internet subculture.

Penny to a dollar this is a baked in training issue, through low quality Reddit trawling