If you operate under the assumption that OgN has an overly inflated ego, or is delusional in terms of his success (I don't agree this is the case, but hypothetically...), I don't see any reason why anyone would want to harm his reputation -- if this was the case, he would do this to himself. However, OgN criticizing a certain group of powerful people does give an incentive to these people to try to discredit him to allow them to maintain power, and ultimately the income derived from said power.
I didn't realize that OgN should be treated like some saint and be beyond reproach. I thought that spot was reserved for satoshi only. Also, I must be doing it wrong since my stint of being a merit source for over a year and DT for a couple months hasn't earned me 1 satoshi. Hence why I finally broke down and joined a signature campaign and gave up my hat avatar. 