...[you need to] recognize his base assumptions from his math, or you're still not qualified to check his math.
As an economist, I want to reiterate that point.
That said, I wouldn't take the article at face value. Look at how they describe 'unaccepted research practice.' Playing devil's advocate, splitting research into smaller publishable piece makes sense if you want to get it out as quickly as possible. Or their statement about checking the contents of work cited? Do they mean ensuring that works cited are correct? Because that's ridiculous, no one can do that. Or do they mean glancing at the work cited? Because that's equally ridiculous.