In my opinion, Oswald took out the wrong Kennedy. Teddy’s evil legacy is far more reaching than four more years of JFK would’ve been.
He could have lined up support from the Romulan Empire.
It still would not have won that election for Mondale.
I think in Ted Kennedy, we got a glimpse of the catastrophe that could have happened if JFK and/or RFK were allowed to continue. All of them, including Ted, were amoral blank slates ready to be written on by political opportunism. Their father, Joe ruled them with an iron hand and was a great supporter of FDR’s socialism. JFK was trained in London by Laski, the director of the infamous Fabian Society.