Actually, that's a lousy summary of the article. The important point being made - and it's a very relevant one - is that by actually thinking about what risks can impact your business, you can work out what ones you need to do something about, and develop mitigation plans for them.
It's standard big-business risk management, but the article presents it for start-ups, so it's well worth a read. It also takes a step back from assuming business knowledge, so there's a number of things there which the first-time entrepreneur might not have thought of as a risk to their business before.
