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The reason you may not know it's an issue is because inflation in our current system isn't just a loss of purchasing power, it's a transfer of purchasing power to those who first receive/spend the newly created money: the banking/financial system. So of course the system invested a lot of money, time and effort in convincing you that it's a good thing to continuously donate a fraction of your purchasing power to the finance industry every year.
The second part is just confusing. Inflation benefits the first to "receive/spend" new money? Receiving and spending are opposites, and inflation benefits anyone that's spending whether they got that money first or fiftieth.
So what? Nominal wages can go up just fine. They do that all the time.
> it's a transfer of purchasing power to those who first receive/spend the newly created money
No. That would only be true, if economic actors were too stupid to anticipate expected inflation. People ain't that stupid.
If you want demons to point a finger at, you're going to have to look further back in time than the 20th century. Then and now we're just doing a frantic tap dance to keep what we inherited from catching on fire.
(Modern day 2%-ish stable inflation is mostly fine for the economy, even if it technically erodes the value of money in the long term. The classic pre-WW1 gold standard was also fine-ish. The Frankenstein gold standard-ish they until the 1970s was bad. And so was the rampant inflation that followed for a while.)
Political evolution is spread over many years and is structurally anisotropic. Metallism's death was inevitable by the 18th century at best, but don't misunderstand that to mean it was going to happen immediately. It's also just a symptom. The enlightenment's political revolution is a manifold spread across centuries. Don't just look at the symptoms, you won't understand anything and it will lead you to half-baked conclusions.
Gold is way too inelastic to work as a basis for currency in an industrial economy.