It does render the notion of "ethical collapse" and supposed comparisons to Enron a bit meaningless if we're also counting the sorts of ethical violation most companies are guilty of though. It's a bit like if a study of "criminality" makes a point of honing in on everyone who's broken a speed limit before...

I don't think "Purchase or sell insider services" necessarily means a conflict of interest, insiders could be winning the bidding process honestly as well.