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Evan has been very insightful.
I believe his basic formula is correct but leaves out the tribal, religious, and racial factors in political game theory.
These factors determine who the ‘calculating killers’ kill, how and why.
One example is the decades long covert war being waged against the West by disabling strong boys and young men.
Only some tribes will do that.
And they do that because they hate the West; their self-concept is based on that hate.
Their weapons are poison, lobotomies, sensory damage and more.
It is easy to see this in bad vaxxes, bad food and water, opioids.
It is harder to see this when the vic is a single young man, roofied and lobotomized within five minutes.
Multiply those casualties by tens of millions over many decades.
Then you can see the strategy of weakening a civilization over several generations.
That’s what has allowed many of those cold killer statesmen to seize power.
And, yes, it was done by a cabal. ABN
American Buddhist Net 
You wrote:
“It is harder to see this when the vic is a single young man, roofied and lobotomized within five minutes.“
Do you know of victims like this? And what does “roofied” mean?
Yes, I know victims like this. It is a huge piece of the downfall of USA and the West.
Roofies are benzodiazepines, often called ‘date rape’ drugs.
Young male victims, are typically not raped but drugged and lobotomized. The simplest way do that is inject ethanol into the forebrain, either through the eye socket or the nose. The weaponry is sophisticated enough it leaves little or no trace.
Wow! That is horrific! Who is doing this?
A somewhat reformed perp told me they prefer to disable rather than kill young men and boys with leadership potential because once disabled they will still lead others, but down a dark path instead of a good one
Also, there are many other ways to scramble brains than lobotomies. The strategy explained: Military thought experiment Part 1