As others have already commended: yes, Comcast's actions aren't surprising at all. As one of the articles linked to points out, this is commonplace a congressional hearings, as well.

And therein is the problem: at a so-called open hearing, what responsibility does the F.C.C. have in ensuring that the public has access? Shouldn't members of the F.C.C or their staff shoulder some of the responsibility for letting one group's interest be over-represented, to the detriment of the general public's ability to participate?