Of course, since this a "study", one shouldn't get much more out of this than "Don't get worried about cholesterol just because it is cholesterol. Always akin to don't worry about DHMO (di hydrogen monoxide) just because it is DHMO. In a rather broad area of exposure it is vital to life. It is also deadly at high levels of ingestion.
Fixating on anything without paying attention to the bigger picture is the best way to get hit by the train....