Roughly four by age 23. If you consider all the male population, the numbers would probably be considerably higher. It’s indeed hard to believe…

It should, but when production is outsourced to different countries, with different regulations and with different currencies things get messy. Even worse when there’s corruption involved along the chain.

From a personal finance perspective, you need to consider the price of the new machine and the difference in the energy bill for the average time you would still be using your current machine until it doesn’t work anymore.

From a sustainability perspective, you also need to consider the manufacturing impacts of the new machine in all the production chain and the energy used in that process (this is a concept called emergy). Maybe also the disposal process of the current one, if that’s the case.

There’s an interesting game I got from fdroid recently called everest