I don't agree. The falling prices are holing me and many other frugale people back from buying electronics frequently. The reason people buy new electronics so often, is because there is so much improvement and innovation.
In economic speak, he's saying he'd be less willing to defer the utility of purchasing electronics if they increased in price every year.
Currently, you can invest your money elsewhere at the opportunity cost of foregoing the utility of whatever gadget it is that you want to buy until the utility of said gadget is worth to you what its price is.