So what's in the picture above is a retweet of Kotaku and Pcgamer headlines, not their own words.
That's true, but those articles were based on P&F's October 9 blog entry, where they said "...we are now working on a direct sequel to Star Control II® -- The Ur-Quan Masters, called Ghosts of the Precursors™", and made no mention of Stardock.
Between October 20 and December 1, they edited this sentence to read "...we are now working on a direct sequel to The Ur-Quan Masters, called Ghosts of the Precursors™, and added an acknowledgement that "Star Control is a registered trademark of Stardock Systems, Inc.".
So IMHO, and giving them the benefit of the doubt, either in their exuberance at being able to announce the sequel that they'd been wanting to make for so long, or in an assumption that the particular way they phrased it made it okay, P&F made a statement that arguably infringed Stardock's trademark. They later realized that they had stepped over the line, and corrected the error.