It stands to reason he must have been doing something right to have stayed so close to the halls of power.
I was a toddler when he was carpet bombing Cambodia, never knew him as anything but “an important person” that was sometimes on the TV. Only learned of his crimes in the past decade.
How did an in-your-face war criminal retain such influence for so long?
Tl; dr: a number of people who achieved power owed that power to Kissinger. Power and money.