Because Kissinger's rise to power and possible involvement in UFOs didn't just come through academia. It started in Germany at the end of the war in Army Intelligence.
Henry Kissinger was born in 1923 in Germany to a Jewish family and emigrated to the US in 1938 to escape Nazi persecution.
Kissinger was assigned to denazification efforts in occupied Germany.
Around this time, he was recruited to produce reports for the Army in Korea and Germany.
All of this on top of his CIC work in Germany, managing the transition of Nazi scientists, and possibly their exotic propulsion research.
Officially, he was consulting the White House on nuclear weapons in Germany, but he remained close to Rockefeller, seeing him as a future presidential contender.