And why should the government and the tax payers be held responsible and be forced to pay for the bad decisions of Microsoft and their customers?

MacOS is not limited in any way for the needs an average citizen has from computers. The average citizen is even fine with an iPad. 8GB is considered "low" by people here, just like a 170 horse power hatchback is considered "low" by muscle car enthusiasts and mining companies looking for dump trucks. But those uses have no bearing on reality for most people.