Yes, but Boing Boing is a privately owned website.
The FCC’s comment submission system has vastly different legal requirements, given the constitutional right to petition the Government for a redress of grievances.
On the other hand, there is no constitutional requirement the government act on these petitions - or even read them.
To put it simply: applying filters after the comment period to sift through what comments are viewed as valuable is much less likely to run into legal issues than blocking comments from being made.
