I personally wouldn't comment on any of this, as it seems there's a lot of hatred toward Bitshares DNS in that comment and anything said by any person representing Bitshares would only feed that hatred. IF (I would be very surprised, but we never know) anyone from the Bitshares community has done any of those things, it is condemnable. If accusations/bashing toward the Bitshares team still continue to come from Namecoin's people, then I think it needs to be addressed, but replying angrily won't lead to anything good IMHO.
As the Bitshares DACs gain more and more traction, it's clear that those kind of accusations/bashing will be much more frequent from several more angles as it will definitely bother people that only want to "protect" their interests, whichever they are. It's only human nature after all.