TBF arguably RE bubble was being addressed 5-10 years ago, there was domestic construction slump in 2012-2017 - where indicators like floor space completion and construction employment peaked. Then 2017 crack down on shadow banking which drove developers + local gov to increase presales, turning it into a financial instrument to keep the taps going. Then hard 3RL in 2020. Could have probably smashed skulls sooner and harder though.
With how big the bubble has gotten a painful explosion was going to be inevitable no matter what.
Markets considered expensive in the West have significantly lower house price to income ratios. In San Francisco it is 12.3x, in London it is 13.9x, in Paris it is 18.8x, and in Shenzhen it is a whopping 40x.
