Single earners with no post-secondary education used to be able to be a sole earner and afford a stay at home spouse, car, home and kids.

You can't say "oh that's false" whilst giving no examples when it's extremely well known that life is getting extremely expensive, all the iPhones in the world don't actually make it better.

Here's a well known metric: https://www.cnn.com/2020/01/11/politics/millennials-income-s...

And it's getting worse... Homes less affordable, entering recession, less socialeconomic mobility, etc...