Nobody individually controls inflation. It's not a fight anyone wins by wanting prices to behave differently, and treating it like a personal battle to win just leads to frustration with no actual outcome attached to it.
What's actually available is different, and more useful. Inflation-proofing isn't about stopping the problem. It's about restructuring your own life so the problem does less damage to you specifically, regardless of what it does everywhere else.
That looks like holding some portion of savings in things that don't share cash's built-in decay — hard assets, precious metals, income-generating positions instead of only idle dollars. It looks like reducing dependence on a single, fixed paycheck by building a second income stream that isn't capped the same way. It looks like buying durable goods and staples now, at today's price, instead of assuming tomorrow's price will be the same.
Gregory Mannarino's entire message boils down to this distinction — you're not going to out-argue inflation, but you can absolutely restructure your own exposure to it. That's not a small consolation. That's the actual, available strategy, and it's been available the whole time to anyone willing to stop waiting for the problem to go away on its own.