Ah, I see, you are talking about jobs, well that's the capitalist world you live in buddy, they move all manufacturing to the cheapest place on the planet, then charge you the consumer maximum mark ups, result is massive profit, capitalism at it's very best.
Thankfully, for the whole, where Macs are made they are made pretty well, although I would like a Mac Pro and think it would be nice to have something assembled in America, and I'm British!
As for the upgrades, Apple are the only ones that drop support for your Mac in OSX, thus if you want the latest version you have to upgrade, and Macs aren't cheap. Not to mention iOS devices which are even worst as you'll need to run the latest iOS eventually to get the apps you want.
Upgrading PC's are a lot cheaper.