[0] let's say you're spending 90% of your income on cost of living and there's 10% inflation. That's way worse than in you're spending 20% of your income on necessaries and there's 10% inflation.
[1] in order to preserve wealth in an inflationary regime, the middle class is encouraged to put money into the stock market, which basically becomes a mechanism to socialize the costs of corporate r&d while the Lions share of the gains go elsewhere (the scraps are thrown back at the middle class, enough to keep them from seeing the inherent problem with the system)