Yeah, it's there in every industry, though it seems more prevalent in those that are heavily reliant on taxpayer money.
If your goal is to extract a percentage, find the biggest cashflow to maximize profits.
Or maybe the corporate owned news doesn't like to publish corporate corruption?
Corporations have an incentive to undercut one another and compete. They'll only band together when something affects them all at the same time, which is basically only economy-wide events.