That's one of the major reasons he failed to rouse the troops ~ still, he understood there's no continuum in American political belief ~ there are just two great coalition polls of organization ~ one Democrat and one Republican, and they are always fairly evenly matched and can, in any given election, win provided they get out the troops.
LBJ, his fellow member of the Senate, picked upon on Goldwater's political organization views, adopted them, and beat him like an old rug in 1964.
Since that time Goldwater's then nascent belief has become fundamental to an understanding of group dynamics under the constraints of single member districts.
To be a modern Conserative you have to be a Fiscalcon, Socon, Traditionalist, and Originalist. Absent one of those values you will lose.