It's because of the influx of Vietbu and Ah Tiong Bu which makes the kwei market very competitive.
The old men have finally found out that it's cheaper to kio kwei than to marry.
Why spend $100,000 to buy a car, pay road tax and insurance and get stuck for 10 years over a depreciating asset when you can call Grab or Gojek and experience a different ride on a different car each time ?