I don't get it -- did he sue Lenovo because Lenovo didn't honor the part from Windows' EULA that the user is free to reject it and refund the OS? Or did he sue

I don't get it -- did he sue Lenovo because Lenovo didn't honor the part from Windows' EULA that the user is free to reject it and refund the OS? Or did he sue just because he bought the wrong product and didn't like some part of it?