well I see more problematic the people actually doing the Iran attacks and murder of heads of state. Betting on those is distasteful, but doing those things is where the damage lies.
[1]https://www.coindesk.com/markets/2026/04/30/polymarket-s-mil...
It's not at all obvious that leaks of classified information are per se detrimental to _actual_ national security.
In other words the money spent on bets that involve killing directly foments more killing.