The explosive growth of so many tech companies has set the bar for everything in some investors minds. If it doesn’t go absolutely vertical it is a failure.
Unfortunately this rules out everything that involves anything physical (factories, cars, planes, fabs, etc.) and anything requiring research.
In the end it leads to an economy that chases fads and devolves into a pure casino.
The top businesses required many years, decades even, of heavy investments into physical infrastructure, including the things you listed plus data centers and global networking over land and under oceans.
Unfortunately this rules out everything that involves anything physical (factories, cars, planes, fabs, etc.) and anything requiring research.
In the end it leads to an economy that chases fads and devolves into a pure casino.