The amusingly sad thing is that they aren't even a great investment, all things considered, because over large enough areas and long enough times, they basically keep pace with inflation.

That has been obscured and hidden from the public consciousness, but it's there (and it basically has to be, as if it's not, eventually you get insanity where nobody can afford to live in anything - some say we're close to this but it cannot continue, just like population simply cannot literally increasing forever or eventually the entire mass of the Earth would be made of people.)

Too many landlords have been buying long and selling short, and losing money doing so but it's hidden by (sometimes) apparent appreciation - that train is rapidly decelerating and will be at the station soon, as the low interest rates have dried on up.