By and large, it seems they mean:

Safe: We will be safe from repercussions and consequences of our actions

and

Effective: This will be an effective way to reach our goals of causing harm, earning money through “treatments” for the harm we’ve caused, and lowering the population of the planet.

By and large, it seems they mean:

Safe: We will be safe from repercussions and consequences of our actions

and

Effective: This will be an effective way to reach our goals of causing harm, earn money through “treatments” for the harm we’ve caused, and lower the population of the planet.