I even believe that I will benefit from HGSE community way more than from interaction with just one (or two) professors. I don't think about schools in terms of faculty (how many people do, actually?), but rather in terms of their atmosphere, culture, values, and the like. However, I did state the areas I was interested in (I was extremely specific there, because I know what I want to be doing), and the theoretical approaches I prefer.
As for 'equity reasons', I believe they don't respond simply because they are lacking time and have more important things to do (understandable). For instance, it's impossible to get the contacts of current students or alumni, because HGSE is afraid that they would be overwhelmed with requests. During my One-on-One chat with a representative, I asked whether you were supposed to contact the faculty before applying, and they said that it was absolutely unnecessary. Not even 'not necessary, but we advise you to do so...'. Just unnecessary.