Well markets give a huge financial incentive for it. Before you had to get paid a bribe for an intelligence agent. Now you can just "legitimately" bet on a market. It's a LOT easier and more spread out, I imagine.
If anything, this administration is moving the other direction when it comes to betting markets, crypto, investments, etc.
What you are saying is logical for how enforcement should happen, but it isn’t happening that way.
Not sure if banks are the best example of proving the country is not headed towards high risk gambling.
And people dying in question is army, professional murderers for hire themselves, not a big loss.