Not sure either of these counts fully as what OP is looking for, but -

The idea of the technological singularity feels right to me. There’s a whole section on the wikipedia page about scientific objections to it, and I get that, but if we don’t kill ourselves before then, it seems like an event that almost has to occur at some point, to me. And maybe it zigs instead of zags and we get star trek. Or maybe it zags and we get terminator. But probably neither of those I’m guessing, and these days it’s hard to imagine that it would put humanity on a worse trajectory than we seem to be on today.

Similarly, but less seriously (for me) I like to consider the whole “maybe we’re in a simulation” theory.

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