The Twitter feeds gives updated feedback to both groups in the social media and they can concentrate on the development. These guys are not attention whores, like some of the other developers we have had before, who just want media exposure.
They get into the engine room and they spend their time developing the best solution for the technology. That is what we expect of them, and then once that is done, they report back on the results. Stop attacking them, and let them concentrate on what is more important.
Communication from the core team is good. But they also need to push a solution to the bitcoin block size increase soon.