[tekkk]

When you have billions of money, do you have really have that much drive to optimize your properties which might be nice to keep as occasional holiday homes? Sure you'd think that "ooh, 5% more income on my properties" would motivate them to rent their properties out but they might be perfectly happy just living off their other investments and not giving a damn about such tedious optimizations.

[majewsky]

When you're a billionaire, you can employ dozens, if not hundreds of people, to do tedious optimizations for you all day. And if that's the difference between 5% and 10% RoI, those people even pay for themselves (and then some).

[mafuy]

That is all well and good, but did you consider that it would mean that your house would become tainted with the poority of someone who cannot even afford to not live in it? Who knows if it's infectious? It would become a cheap second-hand house. And there's like a bunch of random strangers, one of who might be a serial killer. Better to just stay away from that.

... is how imagine their thought process.