" 
 You did more than remove the content you listed, you also removed content that was not connected to the SFI certification.  The other material was reliably sourced, but not complimentary toward IT.  This has all the appearance of a conflict of interest edit.  If you are in any way connected with IT, you should not be editing the page.  If there are errors, point them out on the talk page so that other editors can evaluate them prior to their adding or removing the material.     "