Social safety nets were stronger and income inequality was lower, largely thanks to the post-war economy retaining a lot of its state planning towards full employment, and largely due to the expansion in safety nets under FDR as a response to the Soviet Union's massive improvement in safety nets. Time was good, if you were a hetero white man. The US was also emerging as the clear imperial hegemon.

Reactionary rhetoric tries to turn the clock backwards, to when the contradictions of society weren't as sharpened. It's usually a petite bourgeois conception, but can also be a part of other classes. It's the opposite of progressive movement, trying to move the clock forward into the next mode of production, socialism in the case of the US.