Investor names are usually mentioned to establish social proof, but I find that it's rarely the case that the article itself focuses on the investor not the com

Investor names are usually mentioned to establish social proof, but I find that it's rarely the case that the article itself focuses on the investor not the company. For his example RockMelt, I just picked 4 random stories from Google News -- most of them mentioned Marc Andreesen but he wasn't the focus of the article.