I remember in 2008 china had 200 million surplus mobile phones...

I remember in 2008 china had 200 million surplus mobile phones they had to dump because the market dried up and technology moved so fast. After 2008 many mobiles were dumped at ultra cheap prices and sold as pre paid mobiles which likely reduced losses from the surplus.
The first thing to go in a recession is technology.

Uninsurable
The transition to lithium battery powered cars exposed a fire risk to the cars and homes. Your house might be uninsurable if cause by a lithium battery fire. Although insurance is not law, the government will not tolerate technology that has the ability to cause a multi million dollar event which is uninsurable.

https://www.theguardian.com/australia-news/2023/sep/12/five-cars-destroyed-at-sydney-airport-after-luxury-electric-vehicles-battery-ignites