I think William Manchester writes an interesting passage on page 86 of his book “Death of a President”:
The bleak truth was that he couldn’t do anything right. He hadn’t even been able to hold a job as a greaser of coffee machinery. Bit by bit the sickening truth was emerging: no one wanted him, no one had ever wanted him. He had sailed to the U.S.S.R. to escape his disappointments in his own country. Thwarted there, too, he had sailed back. The month before Truly employed him he had tried to run to Havana, which was on bad terms with both Moscow and Washington, but in Mexico City the Cubans wouldn’t even grant him a visa. By then Lee Harvey Oswald had become the most rejected man of his time. It is not too much to say that he was the diametric opposite of John Fitzgerald Kennedy.
Oswald was aware of this. Significantly, he attributed the President’s success to family wealth; as he saw it, Kennedy had had all the breaks. Like many delusions this one had a kernel of truth. The President was ten times a millionaire. But that was only one of a thousand differences between them. One man had almost everything and the other almost nothing. Kennedy, for example, was spectacularly handsome. Although Oswald’s voice hadn’t yet lost its adolescent tone, he was already balding, and he had the physique of a ferret. The President had been a brave officer during the war, and while strapped to a bed of convalescence he had written a book which won a Pulitzer Prize. Oswald’s record in the peacetime service had been disgraceful, and he was barely literate. As Chief Executive and Commander in Chief, Kennedy was all-powerful. Oswald was impotent. Kennedy was cheered, Oswald ignored. Kennedy was noble, Oswald ignoble. Kennedy was beloved, Oswald despised. Kennedy was a hero; Oswald was a victim.
Since childhood Oswald had been threatened by a specific mental disease, paranoia. In the end the paranoiac loses all sense of reality. He is overpowered by a monstrous feeling of personal resentment and a blind craving for revenge. No one can predict what will trigger the catastrophe in any given case. But we now know that the firestorm in Lee Oswald’s head ignited on the evening of Thursday, November 21, 1963.
Robert Oswald read Manchester’s book and only wrote about disagreeing with part of Manchester’s description of LHO’s funeral. So, it appears that Robert Oswald didn’t disagree with this assessment…