His principled vote against the 64 civil rights act was absolutely correct due to its far overreaching nature. After all he favored earlier versions of the civil rights act.
Just look at the restrictions and requirements placed on private businesses today.
Which, if I recall correctly were all stopped and filibustered in the Senate with the help of Senate Majority Leader Lyndon Johnson.
Ain't History Grand?
Conscience of a Conservative (1964) is a must read. Goldwater predicted EVERYTHING that would happen if the liberals had their way. And this was almost 50 years ago.