[freehunter]

Well you could say the same thing about backwards compatibility with anything.

The inclusion of 16-bit mode, XP mode, or compatibility mode in Windows 7 just proves that 32-bit computers are not suitable for the desktop.

The inclusion of GCN compatibility on the Wii proves the Wii is not a good game console.

The inclusion of VGA ports on my new laptop proves HDMI is not suitable for video display.

This is Microsoft, not Apple. Microsoft cares that your old applications keep running. Microsoft (figuratively) never breaks backwards compatibility (and if they do, there's a huge fuss made about it). Microsoft even goes as far to include very specific lines of code in their OS to make sure just one popular application keeps working (as shown by the now-famous example of SimCity for DOS running on Windows).

How much bitching was there when DOS was shoved to the background? And who would return to DOS now? You'll get over it. The world will survive.