Often, houses are depreciating assets that are expensive to maintain, but people take mortgage and buy them anyway. Often, renting is cheaper than buying, but people buy anyway, because they like the idea of owning their home. Often, people buy a home, because suitable homes are not available to rent.

Money is only a means to an end. It has no inherent value. And very often, the subjective value of a thing is essentially unrelated to the monetary value.