~snip~
I totally agree with you. Of course everyone manages his life the way he prefers but being in the 60s or 70s renting an apartment and pretty much at any moment you can being kicked out for several different reasons, I don't know, it doesn't sound like a peaceful retiring at that point. And let's not forget that maybe you stay in that place for 20-30 years paying a good price, once you get kicked out you need to think about the market current prices which will probably be 3-4 times more expensive so whatever budgeting you've been doing it's all gone.
The thing is that in many big cities around the world it is getting harder and harder to actually buy a home given the huge increase in their prices.
And it's just getting worse every year. The amount that a person can save for a deposit is nothing compared to how much a home price increases in the same time.
So, given that the speed of home prices is higher than the speed of savings increasing, then if a person cannot buy a home today they will never be able to.
The only other solution is to move somewhere else that is cheaper.