That is not what you said.
What you said was there is going to be no new content.
Which is it? Please make up your mind.
It’s hard to say anything without knowing what exactly the “development team” included in the post. Is that just the core designers/developers/artists? Does it include everyone who was working just on HGC? Including QA teams? Game engine teams?
Without knowing exactly how many people left, and it what roles, it is hard to say exactly how things will change.
All I know is I’ve heard that at least one member of the team is excited at the next set of content they have coming. And that there are at least two-dozen people in one of the teams that I would think is a smaller set of the total team working on HotS.
I’ll leave this here: