Here's one for 2011:

https://www.indyweek.com/indyweek/greenbridge-10-stories-29-million-in-debt/Content?oid=2454365

" Inside the building, just 37 of the 97 units are occupied. The lack of homeowners to pay association dues means there isn't money to fix leaks in the roof and windows. Heating and air-conditioning units haven't been properly maintained. Filters and parts were taken from vacant units to replace those in occupied condos. "

This is a less recent bankruptcy that might have been recession influenced:
https://www.ibj.com/articles/19490-local-firm-s-carolina-development-slides-into-bankruptcy

Here's a luxry apartment building near NC State campus that just went bankrupt due to general incompetency, but they were marketing expensive apartments to students.

https://www.newsobserver.com/news/business/article176984701.html

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> ...sorry, how is this relevant? Should we be requiring people to use their decks more often?

I'm saying that this counts as a luxury apartment, since you had doubts about my definition of "luxury". Other options besides rent control include a high tax for unoccupied residences that are not up for rent.

> Furthermore, you do not know they house "zero" people unless you can see inside it 24/7.

The neighbors literally told them that's what the bought the apartment for. You're just trying to argue with someone at this point, but I don't really care. Have a nice day.