It varies widely by person (some people are addicted to spending money), and by career (bumping salary up by a few percentage points is a lot harder in some industries than others), which is part of the problem
I think there's a distinction between out of control spending and someone with decent expenses. There definitely is no shortage of those with all the streaming services and a new iPhone every year, and less than $1000 in the bank, but I think that's not the portrait the article was trying to paint.
Additionally, the article does point out that you may need to reevaluate your career and/or create a side hustle.
