It depends on the location though. In the well-off Western countries, the repairman earn much more than the people who assembled the product in the first place

It depends on the location though. In the well-off Western countries, the repairman earn much more than the people who assembled the product in the first place (mostly in Asia). Meanwhile, here in Poland for example, there's a lot more repair going on, since the wage discrepancy is not as high.