For decades computers and related technology have been dropping in price. Yet people still buy and the industry is one of the most prosperous in the economy.
It is difficult to compare because we don’t have apples that have become smaller with higher nutritional value by approximately a factor of two every 18 months.
Nor do we have a way to make our bodies less energy efficient by the same factor :-)
No finance advisor ever recommendes you invest by epending you life savings on computers
Computers produce a dividend (their usefulness to produce other income, and/or as entertainment)