Scrapping cars that are still running isn't the answer here, neither is drastically increasing the use of lithium batteries without a plan for disposing of them later.
https://environment.ec.europa.eu/topics/waste-and-recycling/...
Electric appliances manufacturers are responsible for their disposal and recycling.
Here is overview from Netherlands:
The USA sold 16,000,000 vehicles in 2007 and had ~250,000,000 registered vehicles.
What caused used car prices to spike was the fact that new car sales fell from 15 million a year, to 10 million a year, then took five years to recover. That's a net loss of 25 million new cars, or about 10% of the total number of registered vehicles.
25,000,000 >> 700,000
https://www.statista.com/statistics/199983/us-vehicle-sales-...
C4C scrapped a literal rounding error number of vehicles.
The amount of battery in an ebike is miniscule compared to an EV. On the same order as the utility battery in a car. You could give everyone in europe an ebike and use less battery than is in EVs in california.