The article is addressing a problem in industries you're admittedly not using much of, so you're probably not feeling what they're talking about.
But you do mention travel and eating out. I think you would find if you tried to do the same amount of travel and eating out that you used to do, you would notice that you're getting less for your money than you used to in lots of little ways.
Counterpoint, we travelled this year and got two flights for the price of one. The refunded flight from early COVID days literally paid for both. Even after somewhat expensive COVID testing costs, still a significant saving.
Sure, now that travel restrictions are causing less uncertainty and demand is ramping up, this might not be repeatable. Perhaps hotels are skimping, not sure as we stayed with family. Either way, there's always some subjectivity in use cases and that can easily tilt the scale one way or the other.
But you do mention travel and eating out. I think you would find if you tried to do the same amount of travel and eating out that you used to do, you would notice that you're getting less for your money than you used to in lots of little ways.