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To be a bit more optimistic: (in conjunction, see https://jcmit.net/mem2015.htm)

In the 1960s and 1970s, machines cost millions or hundreds of thousands of dollars-of-the-time, and the marginal new user was highly educated, so in order to make use of the hardware and wetware, the dreams had to be big to match.

In the 2010s and 2020s, devices cost hundreds or tens of current dollars, and the marginal new user is a teenager or preteen, so in order to monetise the hardware and wetware, the modal dreams are correspondingly least-common-denominator.

So — I think we may still dream big, but we do have to accept that computing "crossed the chasm" a while ago: Eloi-style small dreams are now the dominant culture, while countercultural Morlock-style big dreams have been driven underground...