Aside from her probably having rich parents, that's just horrible advice for any average person. If you can get a mortgage and afford the maybe slightly higher payments at first, renting is just a horrible idea.
Renting: monthly payments only go up, deal with a shitty landlord, and in 30 years you'll still be paying rent.
Mortgaging: monthly payments can only go down (by refinancing when rates are lower, and never get a variable rate mortgage), no landlord, and in 30 years you'll own a home and have no more payments.
“I’m single, I don’t have kids and I travel a lot. It’s nice knowing that I have the flexibility to pick up and move if I want to.”
That's it, the entire logic. A privileged luxury spending shaped apparition is her favorite "financial decision". Also the rest of the article is BS, rent prices went up faster than home prices anywhere I've looked.
Don't you get it? Buying someone else's house for them while getting nothing but the ever-looming threat of eviction in return is totally preferable to owning the place when you can afford it.