Earlier quoted context omitted.
> Asimov predicted that moon colonies would be common by now, for example. The overoptimism may have been due to the rate of technological growth leading up to 1964. I think it is more likely a sad indication of how we have moved away from spending money on space exploration, and instead spending it elsewhere. We certainly could have moon bases if we had continued spending and researching into space.
We could have moonbases but what use would they be? In general any futurist has been ridiculously optimistic about energy generation/storage, robots, and transportation, and hopelessly pessimistic about (or even oblivious to) computers, communication, and anything biological (except perhaps for sanguine predictions about curing cancer, ageing, or the common cold). Arthur C. Clarke, whose predictions are linked from t…
And of course, which technologies the futurist is personally familiar with can vary widely. Asimov, for example, had a blind spot for robots.