The simple fact that the OS ships with a built-in key logger is worrisome. Microsoft is an american company, if the NSA orders, they can simply send a patch, hidden in another update, to activate the keylogger regardles of your settings. There's also the possibility that a vulnerability could be exploited by criminals. A compromised buil-in key logger might not be detected by anti-malware solutuions, making everyone vulnerable to data theft.
The simple fact that the OS ships with a built-in key logger is worrisome. Microsoft is an american company, if the NSA orders, they can simply send a patch, hidden in another update, to activate the keylogger regardles of your settings. There's also the possibility that a vulnerability could be exploited by criminals. A compromised buil-in key logger might not be detected by anti-malware solutuions, making everyone vulnerable to data theft.