It's quite different if it happens in 2-3 years time or spread across 10-20. You don't want a sizeable percentage of your workforce to lose jobs in a short span, there's no capacity for retraining so many people for them to be productive, governments gets higher dissatisfaction, and a diminished tax base.
The rest getting decent cheaper cars might not be worth the trade-off of also getting a more unstable society.
The rest getting decent cheaper cars might not be worth the trade-off of also getting a more unstable society.