People rarely give the full picture of their situation in these articles. What an amazing time we live in where with just a name you can track down people's LinkedIn, their general location, etc. The couple in the article have just made financial decisions that are simply put, shitty. I assumed both pairs didn't have anything sorted out until they were 30 and outside of extreme medical debt, gambling debt, etc couldn…
I think it's the norm for people not to make much money in their 20s, particularly in southern California.