We the public are ignorant about it because it has been done quietly behind the scenes for decades, now the light is shining on it by ppl such as yourself, so we see it and learn how it all works!
Folks don't realize that smartest social activists got into charitable foundations because that's where the money is. It doesn't take much time to totally corrupt a Foundation from its basic core to being able to fund LftWing activities with untold amounts of deductible cash!
