I don't disagree with you one bit. However I don't see why anyone would go through such lengths and buy a Mac to turn it into a Windows only computer. Set up the scenario, you buy a new iMac, install Windows, remove the OS X partition and run it as a Windows only computer.
The Firewire ports don't perform as intended. Firewire is a powered bus that provides power to certain peripherals. Doesn't provide any power while in Windows. Laptop Macs won't perform certain functions with the trackpad or keyboard. And the biggie, something goes wrong with your computer and you need service. Apple will not service the computer without OS X installed because they don't support Windows, just the bootcamp partition only. Removing the OS X partition will drop support from Apple. The user will be forced to reformat to install OS X back to get any service and if the computer isn't running well reformatting could be an issue.
My point is it's best to buy a physical PC if the Mac is not going to be used as a "Mac".