nostr:npub1vyrx2prp0mne8pczrcvv38ahn5wahsl8hlceeu3f3aqyvmu8zh5s7kfy55

Considering how many wars and coup d'etat the USA had been involved before Kennedy, it doesn't compute that this started with his assassination.

The question is only whether he really wanted to change it, and "they" thought that he could manage that and hence had to be eliminated.