The point is that this is a terrible argument for "we should switch to gold" or "we should have 0% inflation". Losing $2-$20 to inflation annually is trivially handled with tax credits or whatever.
You definitely have no idea about what you're talking about when you say that 20% inflation should be trivially handled.
$2-$20 is 2% of $100-$1000.
He's claiming that people who go into their overdraft and credit cards every month have $100 in their bank. They don't, most people live paycheck to paycheck, their bank balance just before payday is $nothing
this is definitely not true. the median US household has several thousand dollars in their checking account. they might be living paycheck-to-paycheck in the sense that their net cashflow is close to zero, but they don't have nothing in their bank account just before payday. you would have to go deep into the 20th percentile to find households like you describe.
https://www.thebalance.com/what-is-the-average-bank-account-...
It's sad engineers making even $200,000 or more can't understand how even $100-1000 in the bank can change lives forever for many people in poor countries.
It's even sadder when some of them come from places that had hyper inflation, and can't see the big picture.