Because some of that is paying money into my personal pension, giving charitable donations etc. Of course I could lower my corporation tax levels by ploughing more into my pension etc. if you equate that to nicking half a packet of biscuits then there is little point in debating this any further with you.
noi i didn't equate the two at all i said its only similar if you had a moral issue with tax avoidance which many here do yet are happy to do it but only "a moderate amount".