If someone has an anxiety disorder of this magnitude then their diagnosing physician would provide the student with the paperwork required to delay their course.
This would be for however long is needed to seek the treatment to return to a stable enough level of mental health to return to university.
I agree that homeownership is not the be all and end all for financial security and Switzerland is a great example.
I think the biggest concern is that many young people today will not enjoy the same standard of living as their parents in many categories such as job security, retirement prospects, child bearing, etc
This is also a major problem in Europe with tuberculosis.
In some parts of London the infection rate is higher than Africa and resistance is found in over 10% of cases.
The cost of drug treatment for resistant TB is over £50,000 (not including the high staff costs for specialists, to track down everyone they have been in contact with etc)
I have a friend that is a historian. He was visiting a monastery in Macau to view some very old texts brought by the first Portuguese priests. They were under the care of a very old priest who spoke Cantonese and some Portuguese. My friend spoke Portuguese but they were not getting very far so he tried Latin. They conversed in Latin fluently for the rest of his time there.
I think that this is a very important piece of the discussion. Improving the efficiency of a lot of workers and increasing automation does not marry up well with a constantly increasing world population.