Not to mention the investment is on another level. We've got companies with valuations in the hundred-billions talking about raising trillions to buy all of the computers in the world, before establishing whether they can even turn a profit, nevermind upend the economy.

This seems false to me. Commodore and Apple were blitzing every advertising medium and especially TV ads in the early 1980s.

And early (electronic) computing paid immediate dividends, with the bletchley park code breakers

More than Apple, on relative scale. Personally I don’t think that.