Yes thats probably the default option for the next generation that are single/no children,
This is the model in Australia - unfortunately when you live in the retirement home, you do not have a title/ownership of the land (even if the retirement home consists of separate houses) , so if the retirement home goes in the financial trouble or the directors embezzle money, you may get evicted by creditors. Doing an internet search, such scandals have occurred before.
I am thinking maybe retirement I buy a 3 storey + basement cluster terrace and convert to retirement home. lease out one floor to a rich oldie I can get along with, I stay on the other floor, and then employ nurse/physio etc.... still far off but something to think about because then I have the title to the property.
Current thinking seems to be that children (may not be all, may be selected children) take care of parents and inherit their property.