The lack of face-to-face communication online does act as an equalizer and benefits individual bloggers tremendously, but how would this help a company who benefits (in some aspects) specifically from someones gender, age or even physicality that a computer has the ability to hide? If a large fashion corporation decided to expand their company online, it is only natural that they will be judged based on some of these elements.
When reading a fashion blog, especially if this blog is an extension of a company, readers want to hear from the experts on a topic. There are a set of standards the blog must withhold just as the actual corporation does. Going beyond just the knowledge one must have to gain credibility, sometimes being a certain age is just what you need in order to represent a certain trend or designer. I can also see gender as an element to fashion blogging that is taken under consideration by readers. Looking at the men and women who represent a company's menswear or womenswear lines on a blog, their thoughts will resonate well with a gender specified audience.