Using nLite in a commercial environment (or even in home computers that are used for processing employer's work) is not allowed according to EULA. IT admins in companies may want to use features owned by nLite such as slipstreaming and component removal.

OMG not this argument AGAIN...

Simply because it is against MS eula and nuhi would be liable for millions of dollars in damage if anyone messes up a large comapanies income\pc's with it...