This might be super naive and self-serving. And because I wasn't around in the 1950s and I am a product of the current era, I could easily be shown to be wrong sometime in the future.
But I sort of feel like a huge shift in acceptance and appreciation of diversity has started since then. A person who had privilege in the 1950s (like a straight white able-bodied middle-class married man) is going to have the usual time-traveller culture-shock on arrival, but it seems to me as if he'd be caught by surprise over and over by things like how we respect children's emotions, how we navigate intimate partnerships of equals, and so on. And presumably a person from the 1950s who wasn't all those things might find our cultures equally surprising although possibly more palatable.
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But I sort of feel like a huge shift in acceptance and appreciation of diversity has started since then. A person who had privilege in the 1950s (like a straight white able-bodied middle-class married man) is going to have the usual time-traveller culture-shock on arrival, but it seems to me as if he'd be caught by surprise over and over by things like how we respect children's emotions, how we navigate intimate partnerships of equals, and so on. And presumably a person from the 1950s who wasn't all those things might find our cultures equally surprising although possibly more palatable.