---- It is easy for competitors to hurt established sites (negative SEO)
EditorialGuy - 7:31 pm on Dec 11, 2013 (gmt 0)
counting on natural/organic links means an easy target for negative SEO.
Links are just one piece of the puzzle. What's on the site is likely to count for something, too. Google claims to have 200+ ranking factors, so it stands to reason that scoring high for a variety of factors should help to dilute any negative impact from low-quality links.