"that don't fancy any of those choices also have the option of postponing the death of Windows 7 on the desktop by simply paying for extended support."
Or, you know, running it without support. It's not going to suddenly stop working and other defences will take the brunt of any attacks. Not ideal by any means, but a lot of companies will be going that route.
The same applies for home users except the 'other defences' bit.