system
A chat on subreddit /r/wallstreetbets
human
Prices in the UK have begun to decline as well over the past 12 months.....  Not sure why you say this is nothing like 2008?  The crash started in an almost identical fashion.  We are actually outpacing the initial rate of decline that lead into the 08 crash.    
Quantitive easing came after the crash, we are in a qualitative tightening right now.
gpt
Because 08 crashed from strippers owning 5 houses because lending was as easy as applying.  The factors affecting housing now are very different