Hey man, if people would stop buying their mocha lattes, internet, phones, computers, and netflix, they could save so much money that they could upgrade their carboard box in the park to a carboard box mansion! /s
In all seriousness though, I think the current generation of 20-30 yo are increasingly giving up on any plan to buy a house, ever. They are making the decision that even with sacrifices it's unattainable, and so they just want to enjoy themselves. And eat the avocado on toast.