Electronics also have become vastly better for decades as the tech developed. The PCs I bought over those decades are magnitudes apart in performance, but washing machines? Sure they've become more efficient but in the grand scheme of things that's peanuts, amortises over a decade maybe, at best. Stove? Sure induction is nice but it's not like others don't boil water basically as quickly. Why should I buy a new one now when I will get an identical product next month at lower price. And then the next... that is, as long as my machine doesn't break down, during deflation, I just won't buy.