I mean sure, in some places it might be hard to find a starter home. Do you think that wasn't true in the 80s and 90s as well? I can't find the data going back to the 80s with a quick search, but here is one that shows it's been going down since 2000 https://libertystreeteconomics.newyorkfed.org/2025/08/who-is....
The narrative that millennials (of which I am one) are worse off economically than our parents is an attractive one to many people, but the fact is that it's not true, at least in the USA as a whole.