The point is that there are plenty of people who continue to be so financially illiterate despite taking on large of amounts of debt, that it’s amazing even more people aren’t bankrupting themselves.
So yes, owning your home over time is probably the best option, but I would hope that a person did it without thinking that somehow the bank owes you money on housing price declines. If a person believes that, think of what other atrocities they believe with respect to personal finance.