All fair criticism and that's why I prefer to have 600k visiable homeless in the US with likely another 1 million living in their cars.
SInce you knew all of this would also know
All of this is fixable with modern technique and extra investment.
You would also know that north American style construction with shiti wood frame for both houses and apts are a lot worse for noise . Furthermore they only gotten properly insulated for in the 1990s so all the stock prior to that is beyond inefficient.
Literally boomer 2mmilion mcmension and you still hear guy walking upstairs...