Please look at Qatar or the UAE, as I feel that will pretty much clear up that feeling about it being unrealistic. I don't mean look at some specific mansion,

Please look at Qatar or the UAE, as I feel that will pretty much clear up that feeling about it being unrealistic. I don't mean look at some specific mansion, I almost even mean the entire countries, particularly Qatar. If you've ever been there, it's mind-boggling how much extravagant waste is displayed everywhere. I mean true extremes of marble and gold foil everywhere, along with the relevant aspect of HUGE air conditioned structures. I mean so truly excessively huge where vast amounts of empty space are being cooled for nearly nobody within large malls, indoor plazas, mansions, etc. Also, while I can see a valid point being that maybe they're more corrupt and wasteful than most, I'd just wish to then say I've seen some pretty tremendous waste in western countries, there's just usually more of an attempt to disguise it. And related to your point about hoarding, I'd ask you to consider what the benefit of extra private yachts or the Nth additional mansion or apartment is for a very rich individual are. Why hoard away ships, or trinkets, or homes that won't be occupied? It's a difference of mindset and desires/goals.