Simple. Microsoft can see that desktop Linux isn't where the hot action is at. So by working for Secure Boot, they increase their revenues by: - Cutting pirac

Simple. Microsoft can see that desktop Linux isn't where the hot action is at. So by working for Secure Boot, they increase their revenues by: - Cutting piracy, especially in the 3rd world - Disabling rootkits - Shutting off the oxygen for $0 OS's - Copying Apple - Making it really hard to reverse engineer Windows