Absolutely, tighten the belt and lose the toys and addictions. “Wants and needs”. Doing this in mass is the only way they can be beat.
One year, maybe even just 6 months and these folks will be back tracking like crazy. But we are too spoiled rotten to make that commitment.
It is the only power we have left as a people if we can muster the will power. We have been doing it for years now, but we cannot do it by ourselves.
Start with the easy ones first: Coke and Pepsi (adulterated sugar water). That stuff is bad for you from the get!