I don't think Asimov envisioned a world where AI would be controlled by a clique of ultra-wealthy oligarchs.
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That's the problem with being nostalgic for something you possibly didn't even live. You don't remember all the other ugly complexities that don't fit your idealized vision.
Nothing about the world of the sci fi golden age was less exploitative or prone to human misery than it is today. If anything, it was far worse than what we have today in many ways (excluding perhaps the reach of the surveillance state)
Some of the US government's worst secret experiments against the population come from that same time and the naive faith by the population in their "leaders" made propaganda by centralized big media outlets all the more pervasively powerful. At the same time, social miseries were common and so too were many strictures against many more people on economic and social opportunities. As for technology being used for good purposes, bear in mind that among many other nasty things being done, the 50's and 60s were a time in which several governments flagrantly tested thousands of nukes out in the open, in the skies, above-ground and in the oceans with hardly a care in the world or any serious public scrutiny. If you're looking at that gone world with rose-tinted glasses, I'd suggest instead using rose tinted welding goggles..
The world of today may be full of flaws, but the avenues for breaking away from controlled narratives and controlled economic rules are probably broader than they've ever been.